Artemis II : Go for Launch — Plus Saturn’s Rings, The Gigamaser & A Star From The Dawn of Time

Episode 77 of Astronomy Daily, Season 5. Recorded 31 March 2026. Today's episode is our Artemis II launch-eve special — humanity prepares to return to the Moon for the first time in over 53 years. We also cover a record-breaking 'space laser' 8 billion light-years away, the ancient age of interstellar comet 3I/ATLAS, a star bearing the fingerprint of the universe's first stars, and new simulations supporting the shattered moon origin of Saturn's rings. STORY SOURCES • Artemis II Countdown — NASA.gov: https://www.nasa.gov/blogs/missions/2026/03/30/nasas-artemis-ii-launch-mission-countdown-begins/ • Artemis II Mission Guide — NBC News: https://www.nbcnews.com/science/space/artemis-ii-nasa-moon-launch-time-astronauts-how-watch-what-know-rcna255627 • Artemis II Launch Coverage — CBS News: https://www.cbsnews.com/news/nasa-artemis-ii-moon-launch-astronauts-flight-plan/ • X1.4 Solar Flare — Space.com: https://www.space.com/astronomy/sun/powerful-x-class-solar-flare-triggers-radio-blackout-ahead-of-artemis-2-launch • Solar Flare NASA Statement — NASA Science: https://science.nasa.gov/blogs/solar-cycle-25/2026/03/30/strong-solar-flare-erupts-from-sun-30/ • Gigamaser Discovery — Space.com: https://www.space.com/astronomy/galaxies/record-breaking-space-laser-erupts-from-merging-galaxies-8-billion-light-years-away • Gigamaser — ScienceAlert: https://www.sciencealert.com/astronomers-spot-a-record-breaking-space-laser-8-billion-light-years-away • 3I/ATLAS Age — Space.com: https://www.space.com/astronomy/comets/interstellar-comet-3i-atlas-may-be-nearly-12-billion-years-old-so-ancient-its-star-system-may-no-longer-exist • 3I/ATLAS — Live Science: https://www.livescience.com/space/comets/interstellar-messenger-3i-atlas-could-be-nearly-as-old-as-the-universe-itself-james-webb-telescope-observations-reveal • PicII-503 Star — Smithsonian Magazine: https://www.smithsonianmag.com/smart-news/astronomers-discovere-a-rare-primitive-star-that-provides-a-chemical-snapshot-of-the-early-universe-180988454/ • PicII-503 — NOIRLab: https://noirlab.edu/public/news/noirlab2607/ • Saturn Rings / Chrysalis — Space.com: https://www.space.com/astronomy/saturn/are-saturns-rings-made-of-a-lost-shattered-moon-new-evidence-arises-for-the-case

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