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      <image:caption>This image, taken by NASA's Hubble Space Telescope, reveals an unusual sight: a runaway quasar fleeing from its galaxy's central hub. A quasar is the visible, energetic signature of a black hole. Black holes cannot be observed directly, but they are the energy source at the heart of quasars — intense, compact gushers of radiation that can outshine an entire galaxy. Credits: NASA, ESA, and M. Chiaberge (STScI and JHU)</image:caption>
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      <image:caption>In 1984, Markarian 1018 became the first-known "changing look" quasar, converting from a faint, narrow-lined Seyfert 2 to a bright Seyfert 1. The Close AGN Reference Survey (CARS) has now discovered that the galaxy has recently reverted back to a Seyfert 2, retreating to the shadows once more. It is the first such object to go "there and back again".</image:caption>
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      <image:caption>The Atacama Large Millimeter/submillimeter Array (ALMA) | Photo by Grant Tremblay</image:caption>
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      <image:title>Dr. Grant Tremblay | Center for Astrophysics</image:title>
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      <image:title>Dr. Grant Tremblay | Center for Astrophysics</image:title>
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      <image:title>Dr. Grant Tremblay | Center for Astrophysics</image:title>
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      <image:title>Dr. Grant Tremblay | Center for Astrophysics</image:title>
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      <image:title>Dr. Grant Tremblay | Center for Astrophysics</image:title>
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      <image:title>Dr. Grant Tremblay | Center for Astrophysics</image:title>
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      <image:title>Dr. Grant Tremblay | Center for Astrophysics</image:title>
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      <image:title>Dr. Grant Tremblay | Center for Astrophysics</image:title>
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      <image:title>Dr. Grant Tremblay | Center for Astrophysics</image:title>
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      <image:title>Great Observatories</image:title>
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    <lastmod>2022-07-11</lastmod>
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      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>Pete Worden calling for HST to be abandoned and deactivated, in his famous missive on Self-licking Ice Cream Cones. This was one year before Servicing Mission 1. Note that this isn’t meant to be a hindsight-enabled “gotcha” or dig at Pete Worden, who is a smart and accomplished leader. This was not crazy thinking at the time: Hubble was truly a disaster. And then it was great.</image:caption>
    </image:image>
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      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1630697129795-4TSVSRIPF0G9E7OLFZ6W/Screen+Shot+2021-09-03+at+3.24.03+PM.png</image:loc>
      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>A slide that Paul Hertz showed to Astro2020 in the early days of the Survey.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1627609946006-JBHPEFLPV4YYB6GMADYG/Screen+Shot+2021-07-29+at+9.52.07+PM.png</image:loc>
      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>Whatever it is, the way you tell your story online can make all the difference.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1630952534638-EHLIB3JUHAX5N1EWA2WK/Screen+Shot+2021-09-06+at+2.20.06+PM.png</image:loc>
      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>Dr. Colleen Hartman’s “Three Worlds” model. An excerpt from Lessons Learned in Decadal Planning in Space Science.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1627615379965-ZQB2F9HRPCAIM2ZSJEI3/EIjhAFHUUAAl9DP.jpg</image:loc>
      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>Whatever it is, the way you tell your story online can make all the difference.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1622598212220-AH79VR5IDUXDYJWS7C6V/81584909_3907463489279944_1438683906650931200_o.jpg</image:loc>
      <image:title>Great Observatories - Remain in Light</image:title>
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      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1631036088583-KZGQL2G9PZBCY9XPEKTL/mirror_gradient_wide-01.png</image:loc>
      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>Whatever it is, the way you tell your story online can make all the difference.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1630953420318-J7ASDH79VHO376CKLDYE/Screen+Shot+2021-09-06+at+2.35.33+PM.png</image:loc>
      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>Whatever it is, the way you tell your story online can make all the difference.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1630700081338-E02CJR5AUQE74IVLPDFT/Screen+Shot+2021-05-18+at+10.26.04+AM.png</image:loc>
      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>Whatever it is, the way you tell your story online can make all the difference.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1627730359173-77V58I65T8H5E4IWYYBN/Screen+Shot+2021-07-31+at+7.14.13+AM.png</image:loc>
      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>My buddy Prof. Emily Levesque, shortly after HST’s launch in ~1991. Three decades later, Emily is an active user of the very telescope that inspired her interest in astronomy in the first place. It still remains one of the greatest and most powerful optical observatories in history. And there is immese power in the ability of flagships to span decades of discovery: when HST first launched, we didn’t know for sure that exoplanets existed. Now, HST is one of our greatest discovery engines for the field. Note: Emily has kindly granted me permission to use her awesome photo. Thanks Emily.</image:caption>
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      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1630697569760-QL1VRWAJBF6N9E73E6VW/webbcomplete2_copy.jpg</image:loc>
      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>Fully assembled and fully tested, NASA’s James Webb Space Telescope has completed its primary testing regimen and will soon begin shipment preparations. Credits: NASA/Chris Gunn</image:caption>
    </image:image>
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      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1628883529346-61Z15G51P4Q9IX26DBDJ/Screen+Shot+2021-08-13+at+3.38.35+PM.png</image:loc>
      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>A 1996 cost / timeline estimate for JWST (then NGST). Yes, costing is hard. Yes, this was just a “yardstick” mission concept. No, the people who made this estimate were not idiots or ill-intentioned. But still: we absolutely cannot let this happen again.</image:caption>
    </image:image>
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      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1632162148267-T8OHS0PQTBHVU47TT9XV/Screen+Shot+2021-09-20+at+2.22.24+PM.png</image:loc>
      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>An excerpt from Bent Flyvbjerg’s 2014 review work on megaprojects. JWST suffered from almost all of these.</image:caption>
    </image:image>
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      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1628187572061-MDTT0486D7M0MA8J1LP1/Apoll15.jpg</image:loc>
      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>My favorite image ever. Taken by Al Worden on Apollo 15’s return home. Life highlight: meeting Al, and hearing about the moment he took it.</image:caption>
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      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1629339645775-4EFQABRYLEBVQSIFXO9S/Screen+Shot+2021-08-18+at+10.19.27+PM.png</image:loc>
      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>The difference between the absurd and the real, in this case, is exactly twenty years.</image:caption>
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      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1630850243862-70BG83CSPWFWKO0SRN1D/Screen+Shot+2021-09-05+at+9.56.28+AM.png</image:loc>
      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>An excerpt from the JWST Independent Review Board’s Report. This is really just Halberstam’s Law.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1622601693408-NGXK1IN565HSYCJSPJJO/LynxCover.png</image:loc>
      <image:title>Great Observatories - Remain in Light</image:title>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1622601695887-T5273A4IBCH80V85MVRX/Tech_Roadmaps_Cover2.png</image:loc>
      <image:title>Great Observatories - Remain in Light</image:title>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1622601696758-I4V5VRF8UR4KOT1TDAZ8/Cost_Book_Cover.png</image:loc>
      <image:title>Great Observatories - Remain in Light</image:title>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1622601698654-3UA0P4155ZINSNWKMR9M/RFI_Response_Final.png</image:loc>
      <image:title>Great Observatories - Remain in Light</image:title>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1622601700292-G6WF3GDVYVJSC8ESEGO1/Mirror_Manufacturing_Study_Cover.png</image:loc>
      <image:title>Great Observatories - Remain in Light</image:title>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1622601702074-JRZCB6JC5D86M438X9ZG/JATIS_Cover.png</image:loc>
      <image:title>Great Observatories - Remain in Light</image:title>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1630939678425-NCZNNS708LIMG7ALHKON/Screen+Shot+2021-09-06+at+10.47.11+AM.png</image:loc>
      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>Whatever it is, the way you tell your story online can make all the difference.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1630951187520-72KBKYN8VM9RVHMVNIXE/Screen+Shot+2021-09-06+at+1.59.33+PM.png</image:loc>
      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>A (marginally out of date) illustration of the Programs of Record for (clockwise from top-left) Earth, Astro, Helio, and Planetary (credit: NASA). It’s actually a lush, balanced portfolio. We need Flagships and Probes and Explorers (and their cross-divisional equivalents).</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1631023813072-LMU7KB0GJ4QEJGYH3DXX/5mYgobHT.png</image:loc>
      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>When the 1991 Decadal Report was released, Hubble was an absolute disaster. The Decadal still endorsed the program of Great Observatories.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1627615162178-WIVJWXS0KS2ULUZMEKB7/Screen+Shot+2021-07-29+at+11.13.48+PM.png</image:loc>
      <image:title>Great Observatories - Remain in Light - Make it stand out</image:title>
      <image:caption>Whatever it is, the way you tell your story online can make all the difference.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.granttremblay.com/blog/jwst-thoughts</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
    <lastmod>2021-06-01</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1617154978164-86T4LD5OIA1ZV02ROHB9/Screen+Shot+2021-03-30+at+9.41.41+PM.png</image:loc>
      <image:title>Great Observatories - The JWST Cycle 1 TAC was great, or randomize middle-ranked proposals, you cowards*</image:title>
      <image:caption>Cool Webb logo by the phenomenal Antonio Holguin, used with permission. Lazy overlay by me.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.granttremblay.com/blog/trls</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
    <lastmod>2020-01-27</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1580139235344-21O3F9SO7IHPCBKJMHG3/unicorn</image:loc>
      <image:title>Great Observatories - NASA Technology Readiness Levels. With Unicorns.</image:title>
      <image:caption>So majestic. Credit: Meiklejohn Graphics</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1580139191499-I64N964SYN1614QDZSKQ/D7MFQMcVsAABrbK.jpg</image:loc>
      <image:title>Great Observatories - NASA Technology Readiness Levels. With Unicorns.</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.granttremblay.com/blog/musemovies</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
    <lastmod>2018-03-27</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1521997978369-3ODGDGG5T6VZESOQ1FNJ/HE2211-3903.gif</image:loc>
      <image:title>Great Observatories - Movies over Velocity Maps</image:title>
      <image:caption>HE2211-3903, a CARS galaxy (okay, I didn't expect you to get this one).</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1521998148546-8APU5VRZEENSB9ZDOZ3E/CenA_2.gif</image:loc>
      <image:title>Great Observatories - Movies over Velocity Maps</image:title>
      <image:caption>Centaurus A. This source is very nearby, and is therefore huge on the sky. This single MUSE pointing is aimed at the galaxy's edge-on dust disk in the nucleus. The rotation of the galaxy is nevertheless very clear.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1521997644989-EYJVI2JZDZ410IBZRVC0/a2052_contsub</image:loc>
      <image:title>Great Observatories - Movies over Velocity Maps</image:title>
      <image:caption>Abell 2052 (with a rough stellar continuum subtraction)</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1521998358331-WLSFKW282XJOXC9F7OKB/N5044_1.gif</image:loc>
      <image:title>Great Observatories - Movies over Velocity Maps</image:title>
      <image:caption>NGC 5044, a nearby group with a cool core. Check out Larry David's famous ALMA paper on this source.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1522096294283-G04UMKTGG1RYKCZ9J3DF/muse_maps.png</image:loc>
      <image:title>Great Observatories - Movies over Velocity Maps</image:title>
      <image:caption>MUSE extinction and electron density maps of the filaments in the Abell 2597 Brightest Cluster Galaxy, from Tremblay et al. (2018)</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1521997603735-1QPMIKS8Q1DVZA3ZQEZY/a2052.gif</image:loc>
      <image:title>Great Observatories - Movies over Velocity Maps</image:title>
      <image:caption>Abell 2052</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1521995966031-D3SD2NI5CTQSPXWF54WK/Jellyfish_smaller.gif</image:loc>
      <image:title>Great Observatories - Movies over Velocity Maps</image:title>
      <image:caption>Hα+[N II] velocity structure in the MUSE cube of ESO 137. As its ISM is stripped out of the galaxy, it retains its angular momentum, leaving behind a spinning corkscrew  of warm gas in its wake. The transformational field of view of MUSE enabled covering the entire stripped tail in only two pointings.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1521996084740-8ZFNI5KY5IEMB8FIO8HY/ESO-137.jpg</image:loc>
      <image:title>Great Observatories - Movies over Velocity Maps</image:title>
      <image:caption>HST+Chandra composite of ESO 137-001, a late-type galaxy  that is falling into the Abell 3627 galaxy cluster. The intracluster medium (ICM) acts as a wind on the interstellar medium (ISM) of the galaxy, and draws it outward via ram pressure stripping. The H-alpha and X-ray tail left behind is ~80 kpc long (!!).</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1521998277183-S9V5N8A12N7C5BDUGD9N/RX-J0338.6%2B0958_0.gif</image:loc>
      <image:title>Great Observatories - Movies over Velocity Maps</image:title>
      <image:caption>2A 0335+096, a cool core BCG. Check out Adrian Vantyghem's nice ALMA paper on this awesome source.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1521999222517-5T7B00QD0P7FTB1HA314/MUSE_velocity_maps.png</image:loc>
      <image:title>Great Observatories - Movies over Velocity Maps</image:title>
      <image:caption>MUSE H-alpha Flux, Velocity, and Velocity Dispersion maps of the filaments in the Abell 2597 Brightest Cluster Galaxy, from Tremblay et al. (2018)</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1521998317779-MMRVGFNTC10LX03FBD1W/Abell-1795_0.gif</image:loc>
      <image:title>Great Observatories - Movies over Velocity Maps</image:title>
      <image:caption>Abell 1795, another canonical cool core BCG. Check out Helen Russell's awesome ALMA paper on this source.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1521997844845-4SNU8G6J93PET0L3FQLA/M87_sub.gif</image:loc>
      <image:title>Great Observatories - Movies over Velocity Maps</image:title>
      <image:caption>M87, BCG of the Virgo cluster.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1521999017658-JZLY023OPR5DT2ZPDQVO/A2597_white.gif</image:loc>
      <image:title>Great Observatories - Movies over Velocity Maps</image:title>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1521994457252-Z2PMBQOA7B6VR44RB8R7/Cartwheel_spokes_smaller.gif</image:loc>
      <image:title>Great Observatories - Movies over Velocity Maps</image:title>
      <image:caption>Slices through a MUSE datacube showing Hα+[N II] velocity structure in the famous collisional ring galaxy ESO 350-40 (the "Cartwheel"). The three bright shimmers you see are, in order, the [N II] λ6549 Å, Hα  λ6563 Å, and the  [N II] λ6585 Å emission lines, clearly revealing ~220 km/s rotation of the galaxy.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1521997785875-0SQ7KTLH080FC8W6H9ZC/A2597_alma.gif</image:loc>
      <image:title>Great Observatories - Movies over Velocity Maps</image:title>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1521997726439-Y2LGSPK1KXIVL78ZW6W2/A2597.gif</image:loc>
      <image:title>Great Observatories - Movies over Velocity Maps</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.granttremblay.com/blog/fellowships</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
    <lastmod>2017-10-23</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1496753760013-46VU1417LO1QFC8J1OJ7/hertzletter.PNG</image:loc>
      <image:title>Great Observatories - NASA's Prize Fellowships Shrink</image:title>
      <image:caption>Click to read Paul's letter in full (.pdf)</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1496862138481-4JDC7WVJTRG4W9KE50KS/image-asset.png</image:loc>
      <image:title>Great Observatories - NASA's Prize Fellowships Shrink</image:title>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1504271930458-USH51QBWLAC3C9KW1DI7/nhfp.png</image:loc>
      <image:title>Great Observatories - NASA's Prize Fellowships Shrink</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.granttremblay.com/blog/muse</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
    <lastmod>2017-11-06</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1494508454027-18NYA8FK7YB6D0IDSHSL/3RJNv.gif</image:loc>
      <image:title>Great Observatories - MUSE is the greatest ground-based instrument ever built - Yes.</image:title>
      <image:caption>Yes, that should blow your mind.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1509978052423-1LDAQYY7ZTK9AMA37W9Y/image-asset.gif</image:loc>
      <image:title>Great Observatories - MUSE is the greatest ground-based instrument ever built</image:title>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1494509485554-MB410EQ6C0XF6A6CTMV2/Cars_logotype_white.png</image:loc>
      <image:title>Great Observatories - MUSE is the greatest ground-based instrument ever built</image:title>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1494507296795-Y90A1FHZHCB4BQAOSJ93/musemounted.jpg</image:loc>
      <image:title>Great Observatories - MUSE is the greatest ground-based instrument ever built</image:title>
      <image:caption>MUSE mounted on the Nasmyth Platform of the Very Large Telescope's Unit Telescope 4.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1494509628718-MKUM37QHTAZZZDJ6S2PM/image-asset.png</image:loc>
      <image:title>Great Observatories - MUSE is the greatest ground-based instrument ever built</image:title>
      <image:caption>Mrk 1044, one of the two galaxies for which the CARS team was recently awarded Chandra time in Cycle 17 (2016). Shown at left is a Hubble Space Telescope WFC3/UVIS composite. A preview of the spectacular CARS MUSE data for this source is shown in the inset.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1494505489954-DVLBVSBHZH587LXG30YK/muse</image:loc>
      <image:title>Great Observatories - MUSE is the greatest ground-based instrument ever built</image:title>
      <image:caption>MUSE. It looks like an espresso machine from hell, right? Credit: R. Bacon &amp; the MUSE consortium</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1494455676017-5E1QWZZMLEIAK452SPQP/museCenA.gif</image:loc>
      <image:title>Great Observatories - MUSE is the greatest ground-based instrument ever built</image:title>
      <image:caption>H-alpha + [N II] velocity structure in the northern filaments of Centaurus A. The image is about 2 kpc on a side. Even with the seeing limit (~0.8''), we achieve a physical resolution of about 40 pc.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.granttremblay.com/blog/solitude</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
    <lastmod>2017-05-12</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1494601728287-UMK4QP6SREXMKZ0YDY5V/grant_tremblay_paranal2.jpg</image:loc>
      <image:title>Great Observatories - One Hundred Nights of Solitude</image:title>
      <image:caption>The Very Large Telescope. The large structures house the four eight-meter Unit Telescopes. I controlled the second from the left, (UT2 / Kueyen). The smaller domes are Auxiliary Telescopes, forming part of the VLT Interferometer.  © Dr. Grant Tremblay</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1494602210880-7G0D6G20BMVBBX2LZDR4/grant_tremblay_paranal11</image:loc>
      <image:title>Great Observatories - One Hundred Nights of Solitude</image:title>
      <image:caption>Twenty minutes before sunrise. © Dr. Grant Tremblay</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1494601922327-05Q7HG0I2HZ2TRCLO6WA/grant_tremblay_paranal5</image:loc>
      <image:title>Great Observatories - One Hundred Nights of Solitude</image:title>
      <image:caption>Moonrise (this was taken on a different night from the photos below, which were taken in dark time). © Dr. Grant Tremblay</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1494603546734-FE3JT2AYILEO3S9Z22NP/control_room</image:loc>
      <image:title>Great Observatories - One Hundred Nights of Solitude</image:title>
      <image:caption>Grant Tremblay after 13 nights of a winter shift. This is the Unit Telescope 2 console in the VLT control room. © Dr. Grant Tremblay</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1494601630565-TIZ237TRW7U3HSKLNWZ9/grant_tremblay_paranal1.jpg</image:loc>
      <image:title>Great Observatories - One Hundred Nights of Solitude</image:title>
      <image:caption>Looking south, twenty minutes before sunset. © Dr. Grant Tremblay</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1494602087969-U813OB83L6RMFA6UX2ST/grant_tremblay_paranal8</image:loc>
      <image:title>Great Observatories - One Hundred Nights of Solitude</image:title>
      <image:caption>Yup. UT4 is observing Sgr A* here, the four million solar mass black hole in the very center of our galaxy. © Dr. Grant Tremblay</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1494601965189-JU9E5U69CLNVWZF7VDLJ/grant_tremblay_paranal6</image:loc>
      <image:title>Great Observatories - One Hundred Nights of Solitude</image:title>
      <image:caption>Me, with the Galactic center rising behind me. The Magellanic Clouds are clearly seen to my right.  © Dr. Grant Tremblay</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1494601848697-GDEZHI8PWQ5UC7VW149Y/grant_tremblay_paranal4</image:loc>
      <image:title>Great Observatories - One Hundred Nights of Solitude</image:title>
      <image:caption>The shadow of the Earth is clearly seen on the right. The telescope in the distance is VISTA, also part of ESO's Paranal Observatory © Dr. Grant Tremblay</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1494605461744-2XB5WFTSAB933NZ5HLHI/grant_tremblay_sunset</image:loc>
      <image:title>Great Observatories - One Hundred Nights of Solitude</image:title>
      <image:caption>It's just at this moment that you have the best place on earth to witness a green flash. I've seen four from this vantage point, but I never caught one on camera. © Dr. Grant Tremblay</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/570e9002d210b8aaab6c6a3b/1494601528926-FJYK3TUXKUO16LUSZSKW/grant_tremblay_paranal3</image:loc>
      <image:title>Great Observatories - One Hundred Nights of Solitude</image:title>
      <image:caption>North, toward Antofagasta. The clouds, thousands of feet below, hide the Pacific Ocean. A low inversion layer, like that seen here, portends excellent seeing for the night. © Dr. Grant Tremblay</image:caption>
    </image:image>
    <image:image>
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      <image:caption>Unit Telescope 4 boasts a Laser Guide Star Adaptive Optics System. It has recently been upgraded as part of the Adaptive Optics Facility. © Dr. Grant Tremblay</image:caption>
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      <image:caption>Grant Tremblay on the VLT platform, 2012 © Dr. Grant Tremblay</image:caption>
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      <image:caption>Ten minutes before sunrise. © Dr. Grant Tremblay</image:caption>
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      <image:title>Great Observatories - One Hundred Nights of Solitude</image:title>
      <image:caption>The galactic center directly above my head. Only 8 kiloparsecs away. © Dr. Grant Tremblay</image:caption>
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      <image:title>Great Observatories - A Black Hole Casts Shadows</image:title>
      <image:caption>The cosmic weather report, as illustrated in this artist concept, calls for condensing clouds of cold molecular gas around the Abell 2597 Brightest Cluster Galaxy. The clouds condense out of the hot, ionized gas that suffuses the space between the galaxies in this cluster. New ALMA data show that these clouds are raining in on the galaxy, plunging toward the supermassive black hole at its center. Credit: NRAO/AUI/NSF; D. Berry / SkyWorks; ALMA (ESO/NAOJ/NRAO)</image:caption>
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      <image:title>Great Observatories - A Black Hole Casts Shadows</image:title>
      <image:caption>The Atacama Large Millimeter/submillimeter Array (ALMA), an international astronomy facility, is a partnership of ESO, the U.S. National Science Foundation (NSF) and the National Institutes of Natural Sciences (NINS) of Japan in cooperation with the Republic of Chile. ALMA is funded by ESO on behalf of its Member States, by NSF in cooperation with the National Research Council of Canada (NRC) and the National Science Council of Taiwan (NSC) and by NINS in cooperation with the Academia Sinica (AS) in Taiwan and the Korea Astronomy and Space Science Institute (KASI). ALMA construction and operations are led by ESO on behalf of its Member States; by the National Radio Astronomy Observatory (NRAO), managed by Associated Universities, Inc. (AUI), on behalf of North America; and by the National Astronomical Observatory of Japan (NAOJ) on behalf of East Asia. The Joint ALMA Observatory (JAO) provides the unified leadership and management of the construction, commissioning and operation ofALMA.</image:caption>
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      <image:title>Great Observatories - A Black Hole Casts Shadows</image:title>
      <image:caption>Photograph by Grant Tremblay, 2014</image:caption>
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      <image:caption>A multiwavelength composite of the central regions of Abell 2597. X-ray (blue): NASA/CXC/Michigan State Univ/G.Voit et al; Optical (yellow): NASA/STScI &amp; DSS; H-alpha (pink): Carnegie Obs./Magellan/W.Baade Telescope/U.Maryland/M.McDonald</image:caption>
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      <image:caption>Grant Tremblay at the ALMA site in 2014</image:caption>
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    <lastmod>2017-05-23</lastmod>
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    <lastmod>2018-03-30</lastmod>
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      <image:title>Banneker &amp; Aztlán Institute | 2018 Project</image:title>
      <image:caption>Examples of the stunning MUSE data the student will dive into. Learn more about MUSE here and here.</image:caption>
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      <image:title>Banneker &amp; Aztlán Institute | 2018 Project</image:title>
      <image:caption>The student will work on MUSE and ALMA observations of "cool core" Brightest Cluster Galaxies (BCGs), sights of spectacular galaxy-scale explosions (and "rainstorms"!) powered by the supermassive black holes that inhabit their centers. Pictured here are slices through the MUSE cube for Abell 2052, one such cool core BCG.</image:caption>
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      <image:title>Banneker &amp; Aztlán Institute | 2018 Project</image:title>
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      <image:title>Banneker &amp; Aztlán Institute | 2018 Project</image:title>
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      <image:title>Banneker &amp; Aztlán Institute | 2018 Project</image:title>
      <image:caption>Chandra X-ray, MUSE H-alpha, and ALMA CO(2-1) composite of the Abell 2597 Brightest Cluster Galaxy. Figure from Tremblay et al. 2018.</image:caption>
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      <image:title>Banneker &amp; Aztlán Institute | 2018 Project</image:title>
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      <image:title>Banneker &amp; Aztlán Institute | 2018 Project</image:title>
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      <image:title>Banneker &amp; Aztlán Institute | 2018 Project</image:title>
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      <image:title>Banneker &amp; Aztlán Institute | 2018 Project</image:title>
      <image:caption>More MUSE cubes of CARS galaxies.</image:caption>
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