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    <lastmod>2026-09-06T15:42:05.333Z</lastmod>
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    <loc>https://freesky.space/post/marss-interior-is-400c-hotter-under-southern-hemisphere</loc>
    <lastmod>2026-09-01T04:37:07.000Z</lastmod>
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    <image:image>
      <image:loc>https://images.unsplash.com/photo-1534447677768-be436bb09401?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[Mars's Interior is 400°C Hotter Under Southern Hemisphere]]></image:title>
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      <video:thumbnail_loc>https://images.unsplash.com/photo-1534447677768-be436bb09401?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[Mars's Interior is 400°C Hotter Under Southern Hemisphere]]></video:title>
      <video:description><![CDATA[The planet Mars is a cold and dry world completely devoid of life, but billions of years ago things were much different. This is when Mars had a much warmer interior than it does today, resulting in active volcanism that replenished its atmosphere, a magnetic ...]]></video:description>
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    <loc>https://freesky.space/post/scientists-model-the-true-darkness-of-venuss-mysterious-uv-a</loc>
    <lastmod>2026-09-01T15:41:44.000Z</lastmod>
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    <image:image>
      <image:loc>https://images.unsplash.com/photo-1534447677768-be436bb09401?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[Scientists Model the True Darkness of Venus’s Mysterious UV Absorber]]></image:title>
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    <video:video>
      <video:thumbnail_loc>https://images.unsplash.com/photo-1534447677768-be436bb09401?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[Scientists Model the True Darkness of Venus’s Mysterious UV Absorber]]></video:title>
      <video:description><![CDATA[As any amateur astronomer can tell you, Venus is famous for its yellow coloration in visible light. But, ask a professional planetary scientist and they will tell you the strangest thing about Venus is how it appears in ultraviolet. In this spectrum, stark, hi...]]></video:description>
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    <loc>https://freesky.space/post/meet-astrid-the-new-high-resolution-cosmological-simulation</loc>
    <lastmod>2026-09-01T19:31:27.000Z</lastmod>
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    <image:image>
      <image:loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[Meet ASTRID, the New High-Resolution Cosmological Simulation]]></image:title>
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    <video:video>
      <video:thumbnail_loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[Meet ASTRID, the New High-Resolution Cosmological Simulation]]></video:title>
      <video:description><![CDATA[The ASTRID cosmological simulation has run from the Universe's early days up to the present day, z=0. ASTRID is larger than some other simulations, and smaller than others. But with a higher number of particles, it has higher-resolution than its fellows. Among...]]></video:description>
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    <loc>https://freesky.space/post/astronomers-find-little-red-dots-about-to-merge</loc>
    <lastmod>2026-09-01T21:57:48.000Z</lastmod>
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    <image:image>
      <image:loc>https://images.unsplash.com/photo-1518770660439-4636190af475?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[Astronomers Find Little Red Dots About to Merge]]></image:title>
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    <video:video>
      <video:thumbnail_loc>https://images.unsplash.com/photo-1518770660439-4636190af475?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[Astronomers Find Little Red Dots About to Merge]]></video:title>
      <video:description><![CDATA[Prior to its launch, astronomers were uncertain what the powerful JWST would find in the ancient, early Universe. One of its surprising findings was Little Red Dots, unexplained ancient objects. They're widely considered to be connected to the growth of SMBHs ...]]></video:description>
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    <loc>https://freesky.space/post/is-a-sea-change-coming-for-new-horizons-heliospheric-science</loc>
    <lastmod>2026-09-02T01:03:23.000Z</lastmod>
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    <image:image>
      <image:loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[Is a Sea Change Coming for New Horizons Heliospheric Science?]]></image:title>
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    <video:video>
      <video:thumbnail_loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[Is a Sea Change Coming for New Horizons Heliospheric Science?]]></video:title>
      <video:description><![CDATA[If you visit the New Horizons mission website frequently, you'll notice that the spacecraft continues to generate excellent science as it plows its way through the Kuiper Belt. It recently woke up from its latest hibernation period in good health and is transm...]]></video:description>
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    <loc>https://freesky.space/post/distant-quasars-provide-crucial-link-in-understanding-earlie</loc>
    <lastmod>2026-09-02T02:47:09.000Z</lastmod>
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    <image:image>
      <image:loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[Distant Quasars Provide Crucial Link In Understanding Earliest Supermassive Black Holes]]></image:title>
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    <video:video>
      <video:thumbnail_loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[Distant Quasars Provide Crucial Link In Understanding Earliest Supermassive Black Holes]]></video:title>
      <video:description><![CDATA[Extreme quasars near the dawn of time are giving astrophysicists clues to the formation of supermassive black holes....]]></video:description>
      <video:player_loc>https://www.youtube-nocookie.com/embed/dQw4w9WgXcQ</video:player_loc>
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    <loc>https://freesky.space/post/scientists-intrigued-by-a-surprising-result-in-the-search-fo</loc>
    <lastmod>2026-09-02T03:16:32.000Z</lastmod>
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    <image:image>
      <image:loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[Scientists Intrigued by a Surprising Result in the Search for Dark Matter]]></image:title>
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    <video:video>
      <video:thumbnail_loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[Scientists Intrigued by a Surprising Result in the Search for Dark Matter]]></video:title>
      <video:description><![CDATA[Dark matter is the invisible stuff that accounts for roughly 85% of the mass in the universe, and for decades, physicists have been trying to figure out what it's made of. Now an experimental facility located nearly a mile below ground in South Dakota has reco...]]></video:description>
      <video:player_loc>https://www.youtube-nocookie.com/embed/dQw4w9WgXcQ</video:player_loc>
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  </url>
  <url>
    <loc>https://freesky.space/post/astronomers-might-use-manganese-to-clock-the-age-of-galaxies</loc>
    <lastmod>2026-09-02T12:47:28.000Z</lastmod>
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    <image:image>
      <image:loc>https://images.unsplash.com/photo-1518770660439-4636190af475?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[Astronomers Might Use Manganese to Clock the Age of Galaxies]]></image:title>
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    <video:video>
      <video:thumbnail_loc>https://images.unsplash.com/photo-1518770660439-4636190af475?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[Astronomers Might Use Manganese to Clock the Age of Galaxies]]></video:title>
      <video:description><![CDATA[Keeping track of time in the universe is a difficult task. It’s constantly evolving and changing, and studying events that happened billions of years ago, while possible, isn’t exactly easy. A recent paper in the Monthly Notices of the Royal Astronomical Socie...]]></video:description>
      <video:player_loc>https://www.youtube-nocookie.com/embed/dQw4w9WgXcQ</video:player_loc>
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  </url>
  <url>
    <loc>https://freesky.space/post/supercdms-snolab-starts-its-dark-matter-hunt</loc>
    <lastmod>2026-09-02T13:30:07.000Z</lastmod>
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    <image:image>
      <image:loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[SuperCDMS SNOLAB Starts Its Dark Matter Hunt]]></image:title>
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    <video:video>
      <video:thumbnail_loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[SuperCDMS SNOLAB Starts Its Dark Matter Hunt]]></video:title>
      <video:description><![CDATA[The search for dark matter has reached another milestone - in this case the start of science for one of the world’s newest detectors. The Super Cryogenic Dark Matter Search (SuperCDMS) SNOLAB just began its scientific operations in Ontario, and over the course...]]></video:description>
      <video:player_loc>https://www.youtube-nocookie.com/embed/dQw4w9WgXcQ</video:player_loc>
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  </url>
  <url>
    <loc>https://freesky.space/post/scientists-develop-test-setup-for-new-way-to-survive-reentry</loc>
    <lastmod>2026-09-02T14:46:07.000Z</lastmod>
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    <image:image>
      <image:loc>https://images.unsplash.com/photo-1518770660439-4636190af475?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[Scientists Develop Test Setup For New Way To Survive Reentry]]></image:title>
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    <video:video>
      <video:thumbnail_loc>https://images.unsplash.com/photo-1518770660439-4636190af475?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[Scientists Develop Test Setup For New Way To Survive Reentry]]></video:title>
      <video:description><![CDATA[Spacecraft famously have small bits of them disintegrate on reentry. That’s by design, as it is one of the easiest solutions to absorbing the incredible amounts of energy they experience. However, it also results in long turn around times while these heat shie...]]></video:description>
      <video:player_loc>https://www.youtube-nocookie.com/embed/dQw4w9WgXcQ</video:player_loc>
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  </url>
  <url>
    <loc>https://freesky.space/post/simulations-show-that-dark-matter-isnt-what-gives-stellar-st</loc>
    <lastmod>2026-09-02T15:07:42.000Z</lastmod>
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    <image:image>
      <image:loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[Simulations Show That Dark Matter Isn't What Gives Stellar Streams Their Kinks]]></image:title>
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    <video:video>
      <video:thumbnail_loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[Simulations Show That Dark Matter Isn't What Gives Stellar Streams Their Kinks]]></video:title>
      <video:description><![CDATA[Astronomers study dark matter through simulations of stellar streams around the Milky Way. They found that kinks and clumps within these streams aren't caused by dark matter clusters within the galactic halo....]]></video:description>
      <video:player_loc>https://www.youtube-nocookie.com/embed/dQw4w9WgXcQ</video:player_loc>
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  </url>
  <url>
    <loc>https://freesky.space/post/new-research-shows-how-mercurys-crust-formed-by-extreme-volc</loc>
    <lastmod>2026-09-02T18:28:09.000Z</lastmod>
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    <image:image>
      <image:loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[New Research Shows How Mercury's Crust Formed by Extreme Volcanism]]></image:title>
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    <video:video>
      <video:thumbnail_loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[New Research Shows How Mercury's Crust Formed by Extreme Volcanism]]></video:title>
      <video:description><![CDATA[Researchers have figured out how to use lunar samples to determine the nature of volcanic activity on ancient Mercury. It's all based on SiO2, or silicon dioxide. Its abundance in a planet's crust reveals a lot about magma and volcanic activity....]]></video:description>
      <video:player_loc>https://www.youtube-nocookie.com/embed/dQw4w9WgXcQ</video:player_loc>
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  <url>
    <loc>https://freesky.space/post/physicists-determine-cause-of-runaway-supermassive-black-hol</loc>
    <lastmod>2026-09-02T20:55:00.000Z</lastmod>
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    <image:image>
      <image:loc>https://images.unsplash.com/photo-1518770660439-4636190af475?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[Physicists Determine Cause of "Runaway" Supermassive Black Hole]]></image:title>
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    <video:video>
      <video:thumbnail_loc>https://images.unsplash.com/photo-1518770660439-4636190af475?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[Physicists Determine Cause of "Runaway" Supermassive Black Hole]]></video:title>
      <video:description><![CDATA[Researchers at UCSB and UT Austin have determined that a galactic merger kicked a supermassive black hole into intergalactic space....]]></video:description>
      <video:player_loc>https://www.youtube-nocookie.com/embed/dQw4w9WgXcQ</video:player_loc>
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  </url>
  <url>
    <loc>https://freesky.space/post/astronomers-see-how-a-centaur-can-become-a-comet</loc>
    <lastmod>2026-09-03T16:01:47.000Z</lastmod>
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      <image:loc>https://images.unsplash.com/photo-1518770660439-4636190af475?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[Astronomers See How a Centaur Can Become a Comet]]></image:title>
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    <video:video>
      <video:thumbnail_loc>https://images.unsplash.com/photo-1518770660439-4636190af475?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[Astronomers See How a Centaur Can Become a Comet]]></video:title>
      <video:description><![CDATA[In 1992, Centaur 450P/LONEOS had a close encounter with Saturn, shifting its orbit closer to the Sun. Now astronomers can observe how a small icy body transforms into a comet over time....]]></video:description>
      <video:player_loc>https://www.youtube-nocookie.com/embed/dQw4w9WgXcQ</video:player_loc>
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  </url>
  <url>
    <loc>https://freesky.space/post/penultimate-lunar-occultations-inbound-for-jupiter-venus-and</loc>
    <lastmod>2026-09-03T19:34:00.000Z</lastmod>
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      <image:loc>https://images.unsplash.com/photo-1526374965328-7f61d4dc18c5?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[Penultimate Lunar Occultations Inbound for Jupiter, Venus and More in September]]></image:title>
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    <video:video>
      <video:thumbnail_loc>https://images.unsplash.com/photo-1526374965328-7f61d4dc18c5?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[Penultimate Lunar Occultations Inbound for Jupiter, Venus and More in September]]></video:title>
      <video:description><![CDATA[The Moon is busy in September. Coming off of eclipse season in August, the Moon visits no less than two planets, two bright stars and one open cluster in September, as it heads towards the Full Harvest Moon of 2026 on September 26th. No matter where on Earth y...]]></video:description>
      <video:player_loc>https://www.youtube-nocookie.com/embed/dQw4w9WgXcQ</video:player_loc>
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  </url>
  <url>
    <loc>https://freesky.space/post/new-study-expands-search-for-dark-photons-a-leading-dark-mat</loc>
    <lastmod>2026-09-03T20:30:16.000Z</lastmod>
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    <image:image>
      <image:loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[New Study Expands Search for "Dark Photons," a Leading Dark Matter Candidate]]></image:title>
    </image:image>
    
    <video:video>
      <video:thumbnail_loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[New Study Expands Search for "Dark Photons," a Leading Dark Matter Candidate]]></video:title>
      <video:description><![CDATA[Cross-disciplinary research at Perimeter Institute and University of Maryland shows that dark photons could be lurking in more places than previously thought....]]></video:description>
      <video:player_loc>https://www.youtube-nocookie.com/embed/dQw4w9WgXcQ</video:player_loc>
    </video:video>
  </url>
  <url>
    <loc>https://freesky.space/post/pulsar-timing-arrays-could-look-for-evidence-of-dark-matter-</loc>
    <lastmod>2026-09-04T15:14:21.000Z</lastmod>
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    <image:image>
      <image:loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[Pulsar Timing Arrays Could Look for Evidence of Dark Matter Stars]]></image:title>
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    <video:video>
      <video:thumbnail_loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[Pulsar Timing Arrays Could Look for Evidence of Dark Matter Stars]]></video:title>
      <video:description><![CDATA[Pulsar Timing Arrays have been used to observe the background of gravitational waves in our galaxy. We aren't certain of their origin, but a new study shows a strong source could be early supermassive giants known as dark stars....]]></video:description>
      <video:player_loc>https://www.youtube-nocookie.com/embed/dQw4w9WgXcQ</video:player_loc>
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  </url>
  <url>
    <loc>https://freesky.space/post/the-20th-data-release-dr-20-of-the-sloan-digital-sky-survey-</loc>
    <lastmod>2026-09-04T18:40:15.000Z</lastmod>
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      <image:loc>https://images.unsplash.com/photo-1526374965328-7f61d4dc18c5?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[The 20th Data Release (DR 20) of the Sloan Digital Sky Survey (SDSS) is Here!]]></image:title>
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    <video:video>
      <video:thumbnail_loc>https://images.unsplash.com/photo-1526374965328-7f61d4dc18c5?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[The 20th Data Release (DR 20) of the Sloan Digital Sky Survey (SDSS) is Here!]]></video:title>
      <video:description><![CDATA[The Sloan Digital Sky Survey (SDSS) has officially launched its twentieth data release (DR20), featuring updated data from multiple observations projects....]]></video:description>
      <video:player_loc>https://www.youtube-nocookie.com/embed/dQw4w9WgXcQ</video:player_loc>
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  <url>
    <loc>https://freesky.space/post/the-desi-legacy-imaging-survey-releases-the-largest-2-d-map-</loc>
    <lastmod>2026-09-04T21:30:12.000Z</lastmod>
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    <image:image>
      <image:loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[The DESI Legacy Imaging Survey Releases the Largest 2-D Map of the Universe]]></image:title>
    </image:image>
    
    <video:video>
      <video:thumbnail_loc>https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200&amp;q=80</video:thumbnail_loc>
      <video:title><![CDATA[The DESI Legacy Imaging Survey Releases the Largest 2-D Map of the Universe]]></video:title>
      <video:description><![CDATA[The newest DESI Legacy Imaging Surveys map covers three-quarters of the sky and catalogs nearly four billion objects. This publicly-available database contains stars, galaxies, supernovae, gravitational lenses, and much more....]]></video:description>
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  <url>
    <loc>https://freesky.space/post/could-life-exist-on-venus-peptides-survive-harsh-acid</loc>
    <lastmod>2026-09-05T08:40:20.000Z</lastmod>
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      <video:title><![CDATA[Could life exist on Venus? Peptides survive harsh acid.]]></video:title>
      <video:description><![CDATA[The planet Venus is arguably the most mischievous planetary body in the solar system. This is because like Saturn’s largest moon, Titan, Venus is shrouded in a thick atmosphere that can’t be viewed with optical telescopes and require radar images to see the su...]]></video:description>
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  <url>
    <loc>https://freesky.space/post/sept-3-1976-viking-2-reaches-mars</loc>
    <lastmod>2026-09-03T13:00:00.000Z</lastmod>
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    <image:image>
      <image:loc>https://images.unsplash.com/photo-1526374965328-7f61d4dc18c5?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[Sept. 3, 1976: Viking 2 reaches Mars]]></image:title>
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      <video:title><![CDATA[Sept. 3, 1976: Viking 2 reaches Mars]]></video:title>
      <video:description><![CDATA[Only a little over a month after Viking 1 landed on Mars, Viking 2 followed suit. Though the two Viking landers touched down in different locations, they used identical spacecraft and had the same mission: to create global maps of Mars, observe weather pattern...]]></video:description>
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  </url>
  <url>
    <loc>https://freesky.space/post/the-sky-this-week-from-september-4-to-11-the-moon-joins-jupi</loc>
    <lastmod>2026-09-04T05:00:00.000Z</lastmod>
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      <image:title><![CDATA[The Sky This Week from September 4 to 11: The Moon joins Jupiter and Mars]]></image:title>
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      <video:title><![CDATA[The Sky This Week from September 4 to 11: The Moon joins Jupiter and Mars]]></video:title>
      <video:description><![CDATA[Friday, September 4Last Quarter Moon occurs at 3:51 A.M. EDT Have you heard of the “demon star,” Algol? This strange sun is actually two stars in a system known as an eclipsing binary. As the name would suggest, as they orbit, one star regularly passes in fron...]]></video:description>
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  <url>
    <loc>https://freesky.space/post/the-sky-today-on-friday-september-4-get-in-a-workout</loc>
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      <image:title><![CDATA[The Sky Today on Friday, September 4: Get in a workout]]></image:title>
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      <video:title><![CDATA[The Sky Today on Friday, September 4: Get in a workout]]></video:title>
      <video:description><![CDATA[Looking for a sky event this week? Check out our full Sky This Week column.  September 3: The Moon in Taurus Last Quarter Moon occurs at 3:51 A.M. EDT, leaving our evening sky completely dark and perfect for searching out fainter, deep-sky targets.  High in th...]]></video:description>
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  <url>
    <loc>https://freesky.space/post/the-sky-today-on-sunday-september-6-the-moon-and-mars-in-gem</loc>
    <lastmod>2026-09-06T08:00:00.000Z</lastmod>
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      <video:description><![CDATA[Looking for a sky event this week? Check out our full Sky This Week column.  September 5: Titan near Saturn The waning crescent Moon lies in Gemini today, not far from the 3rd-magnitude star Epsilon (ε) Geminorum, roughly around where western twin Castor’s kne...]]></video:description>
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  </url>
  <url>
    <loc>https://freesky.space/post/sept-4-973-ce-the-birth-of-al-biruni</loc>
    <lastmod>2026-09-04T13:00:00.000Z</lastmod>
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      <image:title><![CDATA[Sept. 4, 973 C.E.: The birth of al-Biruni]]></image:title>
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      <video:title><![CDATA[Sept. 4, 973 C.E.: The birth of al-Biruni]]></video:title>
      <video:description><![CDATA[Born in Kath, Khwarezm – a region that today would be cover parts of Uzbekistan, Kazakhstan, and Turkmenistan – Abu Raihan Muhammad al-Biruni was a man of many scientific talents. His extensive travels throughout the Middle East and modern India and his self-e...]]></video:description>
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  <url>
    <loc>https://freesky.space/post/the-aftermath-of-a-solar-flare</loc>
    <lastmod>2026-09-04T13:46:16.000Z</lastmod>
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      <image:loc>https://images.unsplash.com/photo-1534447677768-be436bb09401?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[The aftermath of a solar flare]]></image:title>
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      <video:description><![CDATA[Mark Johnston from Scottsdale, Arizona On Aug. 21, 2026, an unusually long-lasting M-class flare erupted from a sunspot group near the Sun’s west limb. As the flare’s stretched magnetic field lines reconnected and relaxed, they filled with hot plasma that cool...]]></video:description>
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  <url>
    <loc>https://freesky.space/post/2026-full-moon-calendar-when-to-see-the-full-moon-and-phases</loc>
    <lastmod>2026-09-04T22:12:14.000Z</lastmod>
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      <video:description><![CDATA[The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This alignment ensures the entire side of the Moon that faces us gleams under sunlight. Thanks to the Moon’s orbit around Earth, the angle of sun...]]></video:description>
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  <url>
    <loc>https://freesky.space/post/scientists-watch-as-two-satellites-burn</loc>
    <lastmod>2026-09-04T22:29:30.000Z</lastmod>
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      <image:loc>https://images.unsplash.com/photo-1526374965328-7f61d4dc18c5?w=1200&amp;q=80</image:loc>
      <image:title><![CDATA[Scientists watch as two satellites burn]]></image:title>
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      <video:description><![CDATA[The last two spacecraft of the European Space Agency’s (ESA) Cluster mission plunged into Earth’s atmosphere this week, closing out 26 years of research into the planet’s magnetic environment — and handing scientists a front-row seat to their destruction. ESA’...]]></video:description>
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  </url>
  <url>
    <loc>https://freesky.space/post/the-sky-today-on-saturday-september-5-titan-near-saturn</loc>
    <lastmod>2026-09-05T08:00:00.000Z</lastmod>
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      <image:title><![CDATA[The Sky Today on Saturday, September 5: Titan near Saturn]]></image:title>
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      <video:title><![CDATA[The Sky Today on Saturday, September 5: Titan near Saturn]]></video:title>
      <video:description><![CDATA[Looking for a sky event this week? Check out our full Sky This Week column.  September 4: Get in a workout Titan, Saturn’s brightest moon, orbits its parent world with a period of about 16 days. You’ll find this moon passing near Saturn today and tomorrow, whe...]]></video:description>
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  </url>
  <url>
    <loc>https://freesky.space/post/sept-5-2001-the-milky-way-has-a-black-hole</loc>
    <lastmod>2026-09-05T13:00:00.000Z</lastmod>
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      <image:title><![CDATA[Sept. 5, 2001: The Milky Way has a black hole]]></image:title>
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      <video:title><![CDATA[Sept. 5, 2001: The Milky Way has a black hole]]></video:title>
      <video:description><![CDATA[NASA’s Chandra X-Ray Observatory is the agency’s flagship mission for X-ray astronomy. On Sept. 5, 2001, NASA announced that astronomers using Chandra in October of the previous year had witnessed a fast, strong X-ray flare coming from the supermassive black h...]]></video:description>
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  </url>
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