Roman Telescope Gets September Launch Date, Hidden Moons Around Uranus & Comet Alert for Southern Skies

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Recorded23 Apr 2026

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Sponsor Link:To grab our special NordVPN listener deal, Click HereWelcome to Astronomy Daily, Season 5 Episode 91 — Thursday 23 April 2026. Hosted by Anna and Avery for the Bitesz.com Podcast Network. Today: NASA's Roman Space Telescope locks in a September 2026 launch date eight months ahead of schedule; new research reveals Uranus's rings are hiding secrets — and possibly hidden moons; Hubble returns to the Trifid Nebula nearly 30 years on; Jordan becomes the 63rd nation to sign the Artemis Accords; the Artemis III rocket core stage ships to Kennedy Space Center; and Southern Hemisphere skywatchers get their best shot at Comet C/2025 R3 PanSTARRS this week. Story Summaries 1. Roman Space Telescope — September 2026 Launch Confirmed NASA's Nancy Grace Roman Space Telescope is now targeting a September 2026 launch — eight months ahead of its formal May 2027 deadline, and under budget. The 300-megapixel infrared observatory will survey the cosmos with a field of view at least 100 times wider than Hubble's, observing over a billion galaxies and discovering more than 100,000 new worlds in its first five years. It will travel to the Sun-Earth L2 point aboard a SpaceX Falcon Heavy rocket. 2. Uranus's Mysterious Rings Hint at Hidden Moons A study published in the Journal of Geophysical Research: Planets, using combined data from Keck Observatory, Hubble and JWST, has produced the first complete reflectance spectrum of Uranus's two outermost rings. The mu-ring is made of water ice sourced from moon Mab; the nu-ring contains carbon-rich organic compounds from unseen rocky bodies — suggesting undiscovered moonlets may orbit Uranus. Researchers say a dedicated spacecraft mission will be needed to solve the mystery fully. 3. Hubble Revisits the Trifid Nebula NASA's Hubble Space Telescope has re-imaged the spectacular Trifid Nebula, approximately 5,000 light-years away, nearly three decades after its original 1997 image. By comparing the two images, astronomers have tracked measurable changes in young stellar behaviour — demonstrating the power of long-lived space observatories as cosmic time-lapse cameras. 4. Jordan Signs the Artemis Accords The Hashemite Kingdom of Jordan signed the Artemis Accords today at NASA Headquarters in Washington DC, becoming the 63rd nation to commit to the framework for peaceful space exploration. The Accords — established in 2020 — cover transparency, interoperability, data sharing, heritage preservation and resource extraction principles for Moon, Mars and beyond. 5. Artemis III Rocket Core Stage on the Move Just ten days after Artemis II's historic lunar flyby concluded, NASA rolled out the core stage of the Artemis III SLS rocket from Michoud Assembly Facility in New Orleans onto the Pegasus barge for shipment to Kennedy Space Center. Artemis III is targeting 2027 for an Earth-orbit crewed rendezvous and docking test with commercial lunar landers, with a Moon landing pushed to Artemis IV in 2028. 6. Comet C/2025 R3 PanSTARRS — Southern Hemisphere Viewing Window Comet C/2025 R3 PanSTARRS reached perihelion on April 19 and is now entering its best viewing window for Southern Hemisphere observers. From late April through early May, the comet will appear in the evening sky after sunset, potentially reaching magnitude 3.5 or brighter. Its orbit may be hyperbolic — meaning this could be humanity's only ever encounter with this object. Closest Earth approach: April 26, at approximately 73 million kilometres. Links & Resources: • Nancy Grace Roman Space Telescope: roman.gsfc.nasa.gov • Artemis Accords signatories: nasa.gov/artemis-accords • Comet C/2025 R3 tracking: theskylive.com/c2025r3-info • New research — Uranus rings: doi.org/10.1029/2025je009404 • Astronomy Daily: astronomydaily.io | @AstroDailyPodBecome a supporter of this podcast: https://www.spreaker.com/podcast/astronomy-daily-space-news-updates--5648921/support.Sponsor Details:Ensure your online privacy by using NordVPN. To get our special listener deal and save a lot of money, visit www.bitesz.com/nordvpn. You'll be glad you did!Become a supporter of Astronomy Daily by joining our Supporters Club. Commercial free episodes daily are only a click way... Click HereThis episode includes AI-generated content.

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