Astronomy Daily: Space News Updates

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Wednesday 6 May 2026 | astronomydaily.io | @AstroDailyPod   Episode Summary In today's episode, Anna and Avery explore six remarkable stories from across the cosmos: a tiny frozen world beyond Pluto surprises scientists with an atmosphere it should never have; NASA drops twelve thousand stunning photographs from the Artemis II mission and Artemis III preparations accelerate; Blue Origin's uncrewed moon lander Endurance passes its toughest test; new research confirms the sun actively speeds up the descent of space debris; radar-equipped drones emerge as a key tool for mapping buried Martian ice; and Comet PanSTARRS makes its debut in southern skies.   Stories in This Episode 1. The Atmosphere That Shouldn't Exist Japanese astronomers have detected a thin atmosphere around trans-Neptunian object 2002 XV93 — a Kuiper Belt body just 500 km across. Published in Nature Astronomy, the discovery challenges long-held assumptions about which bodies can retain atmospheres. Possible causes include cryovolcanism or a recent cometary impact. Lead researcher: Dr Ko Arimatsu, National Astronomical Observatory of Japan.   2. NASA Releases 12,000+ Artemis II Photos + Artemis III Update NASA has published more than 12,000 high-resolution images from the Artemis II mission, captured using Nikon cameras and iPhone 17 devices by the crew of Wiseman, Glover, Koch, and Hansen. The archive includes lunar far-side close-ups, Earthset images, star trails, and a solar eclipse from space. Meanwhile, the Artemis III SLS core stage has arrived at Kennedy Space Center for assembly, with a mid-2027 launch targeting a 460 km Earth-orbit docking test.   3. Blue Origin's Endurance Passes NASA Vacuum Test Blue Origin's Blue Moon Mark 1 uncrewed cargo lander (nickname: Endurance) has completed thermal vacuum testing inside Chamber A at NASA's Johnson Space Center, Houston. The lander is targeted for the Moon's south polar region later in 2026, carrying stereo cameras and a laser retroreflector array. MK1 informs the development of the crewed Blue Moon Mark 2.   4. Solar Activity Accelerates Space Debris Reentry A study published today in Frontiers in Astronomy and Space Sciences tracked 17 pieces of orbital debris through three solar cycles (1986–2024). Researchers at India's Vikram Sarabhai Space Centre found that once sunspot numbers reach ~70% of their cycle peak, orbital decay rates increase sharply due to thermosphere expansion and increased drag. Lead researcher: Ayisha Ashruf.   5. Radar Drones Could Map Hidden Water Ice on Mars A new study in Journal of Geophysical Research: Planets proposes using low-flying radar-equipped drones to precisely map debris-covered glaciers on Mars. Tests on Earth's Galena Creek Rock Glacier in Wyoming demonstrated the technique can resolve the ice-debris boundary with unprecedented precision — information critical for future human missions planning to use Martian water resources.   6. Comet C/2025 R3 PanSTARRS — Now Visible from Southern Hemisphere Having passed perihelion on 19 April 2026 (at ~75 million km from the Sun) and peak northern hemisphere visibility, Comet C/2025 R3 PanSTARRS is now emerging in southern skies. Currently in Eridanus and heading toward Orion, the comet will pass within ~2° of the Orion Nebula 10–12 May. Best viewing conditions: around new moon 16 May. The comet is on a hyperbolic trajectory and will not return.   Connect With Us Website: astronomydaily.io Podcast: Available on all major podcast platforms X/Twitter: @AstroDailyPod Instagram: @AstroDailyPod TikTok: @AstroDailyPod Tumblr: @AstroDailyPod

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Episode Summary In this episode of Astronomy Daily, Anna and Avery cover six major space and astronomy stories: the James Webb Space Telescope's historic first direct study of a rocky exoplanet's surface; a dramatic upward revision of Io's volcanic heat output; the release of the FLAMINGO cosmological simulation dataset; a new technique for finding planets in binary star systems; the discovery of a novel state of matter inside ice giants; and how to watch tonight's Eta Aquarid meteor shower live online.   Story Links & References Story 1 — JWST Exoplanet Surface Study Nature Astronomy: LHS 3844 b thermal emission spectrum — doi.org/10.1038/s41550-026-02860-3 Space.com coverage: space.com/astronomy/james-webb-space-telescope/james-webb-space-telescope-directly-studies-an-exoplanets-surface-for-the-1st-time   Story 2 — Io Volcanic Power Revised arXiv pre-print: arxiv.org/abs/2605.00100  |  Phys.org: phys.org/news/2026-05-massively-underestimated-io-thermal-output.html   Story 3 — FLAMINGO Dataset Release Durham University: durham.ac.uk/news-events/latest-news/2026/04/astronomers-release-gigantic-cosmological-simulation-dataset Leiden University: universiteitleiden.nl/en/news/2026/04/astronomers-release-massive-set-of-virtual-universes-for-global-research   Story 4 — TESS Binary Star Planets NASA Science: science.nasa.gov/missions/tess/for-nasas-tess-stellar-eclipses-shed-light-on-possible-new-worlds   Story 5 — New State of Matter in Ice Giants Nature Communications: Carnegie Institution quasi-1D superionic phase study Universe Today: universetoday.com (April 30, 2026)   Story 6 — Eta Aquarid Livestreams Livestream guide: space.com/stargazing/meteor-showers/watch-the-eta-aquarid-meteor-shower-online-with-these-free-livestreams ALMA Observatory livestream available via the above link. Peak: pre-dawn May 6 AEST.

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In today's Astronomy Daily, Anna and Avery cover six major stories: Ireland becomes the 65th nation to sign the Artemis Accords; the Artemis III rocket core stage arrives at Kennedy Space Center; NASA's nuclear-electric SR-1 Freedom Mars mission ramps up toward a 2028 launch; the Eta Aquariid meteor shower peaks overnight May 5-6; NASA releases spectacular dual panoramas from Curiosity and Perseverance rovers; and new research makes a compelling case that the Large Magellanic Cloud is on its first-ever pass by the Milky Way.   Story Summaries & Key Facts   1. Ireland Signs the Artemis Accords •       Ireland signed as the 65th Artemis Accords signatory on May 4, 2026 at NASA HQ, Washington DC •       Hosted by NASA Administrator Jared Isaacman alongside Irish Ambassador Geraldine Byrne Nason and Minister Peter Burke •       Three new signatories in two weeks: Latvia (#62), Morocco (#64), Ireland (#65) •       Accords established in 2020, covering peaceful exploration, transparency, data sharing, and heritage preservation   2. Artemis III SLS Core Stage Arrives at KSC •       The top four-fifths of the 212-foot SLS core stage arrived at Kennedy on April 27, 2026 via the Pegasus barge •       Traveled 900 miles from Michoud Assembly Facility in New Orleans •       Now inside the Vehicle Assembly Building, being mated to the engine section •       Artemis III (targeted late 2027) will test Orion docking with commercial landers in low Earth orbit — not a lunar landing •       Artemis IV (2028) will land astronauts on the Moon's south pole   3. NASA SR-1 Freedom Nuclear Mars Mission •       SR-1 Freedom will be the first nuclear-electric powered interplanetary spacecraft, launching December 2028 •       Uses Nuclear Electric Propulsion (NEP): fission reactor generates 20kW of electricity to power ion thrusters •       Hardware repurposed from the Gateway Power and Propulsion Element (PPE) •       Will deploy the 'Skyfall' payload: three Ingenuity-class helicopters to scout for subsurface water ice •       Could pave the way for megawatt-class reactors cutting human Mars transit time to two months   4. Eta Aquariid Meteor Shower Peak •       Peak: overnight May 5-6, 2026, with pre-dawn hours on May 6 as prime window •       Source: debris trail of Halley's Comet — Earth passes through it each May •       Meteor speed: ~66 km/s — fast, with persistent glowing trails •       Southern Hemisphere: up to 50 meteors/hour under ideal conditions — best shower for southern sky •       Moon challenge: 84% waning gibbous — block the Moon behind a tree or building for best results •       Active through May 28 — more opportunities if clouds intervene tonight   5. Curiosity & Perseverance Mars Panoramas •       NASA released dual 360-degree panoramas from both active Mars rovers — 3,775 km apart on the planet •       Curiosity: 1,031-image panorama of 'boxwork' formations in Gale Crater — fossil records of ancient groundwater •       Perseverance: 980-image panorama near Jezero Crater rim showing some of the oldest rocks in the solar system •       The two rovers are 'time-travelling in opposite directions' — Curiosity into younger terrain, Perseverance into older •       Perseverance carries 23 rock core samples in sealed tubes, awaiting future Earth-return mission   6. Large Magellanic Cloud — First-Time Visitor •       New pre-print paper claims definitive evidence the LMC is on its first-ever pass by the Milky Way •       LMC mass: roughly 10-20% of the Milky Way — large enough to send gravitational ripples through our galaxy •       Key evidence: LMC's gas corona is still largely intact — a previous close Milky Way pass would have stripped it away •       Also explains why the SMC and companion satellites haven't been tidally disrupted •       Rewrites the origin of the Magellanic Stream — now attributed to LMC-SMC interactions rather than Milky Way tidal forces

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Welcome to Astronomy Daily S05E94 — our first ever Weekend Edition! Today we debut the Astronomy Daily Weekend Space and Astronomy News Wrap, featuring two fresh stories plus a roundup of the four biggest and most important space stories from across the past week.   Today's Stories •      Story 1: Russia's Soyuz 5 rocket completes its first successful suborbital test flight from Baikonur Cosmodrome. After nearly a decade of development, Russia's homegrown answer to the Zenit finally flew — a milestone for Roscosmos, even as questions remain about its competitiveness in a reusability-driven market. •      Story 2: May's Flower Moon peaked on May 1st — and May 2026 is a double-micromoon month, with both the Flower Moon and the May 31 Blue Moon occurring near lunar apogee. Southern Hemisphere skies are perfect for viewing this weekend.   Weekend Wrap — The Week's Four Biggest Stories •      Wrap 1: Artemis II — The Full Picture. 694,481 miles, 252,756 miles from Earth at farthest, 57-minute eclipse from beyond the Moon, heat shield performance significantly better than Artemis I. The numbers of a mission for the history books. •      Wrap 2: The Eclipse Only Four Humans Have Ever Seen. During the April 6 lunar flyby, the Artemis II crew experienced a 57-minute total solar eclipse from beyond the Moon — the first time in human history. Victor Glover's descriptions were extraordinary. •      Wrap 3: Roman Space Telescope locks in September 2026 launch — 8 months ahead of schedule and under budget. With a field of view 100x larger than Hubble's, Roman is poised to become the most powerful survey telescope in history. •      Wrap 4: Artemis III hardware arrives at Kennedy Space Center. The SLS core stage was offloaded from the Pegasus barge on April 27-28 — just as the Artemis II Orion capsule returned for post-flight analysis. The next mission is already assembling.   Skywatching This Weekend •      The Flower Moon is still at 99% illumination tonight — beautiful in Southern Hemisphere autumn skies. Look for it between Antares (Scorpius) and Spica (Virgo). •      Venus and Jupiter are prominent in the western evening sky, slowly closing toward a June 9 conjunction. •      Asteroid Vesta is at opposition today, May 2 — best viewed with binoculars or a small telescope from a dark site. •      The Eta Aquariid meteor shower peaks the night of May 5-6 — an excellent show from Southern Hemisphere locations.

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Episode Summary Astronomy Daily is back for Season 5, Episode 93 — and space has not been idle during our brief break. In today's packed episode, Anna and Avery cover six major stories: the strongest-ever evidence that JWST's mysterious 'little red dots' are in fact black hole stars, courtesy of a new Chandra X-ray discovery; the double milestone at Kennedy Space Center as Artemis III hardware arrives and the Artemis II Orion capsule returns for analysis; the spectacular return of SpaceX's Falcon Heavy after an 18-month hiatus; a new cosmological model suggesting the universe could collapse in just 33 billion years; a debrief on post-mission lessons from Artemis II; and essential skywatching guidance for the peak of the Eta Aquarid meteor shower. Stories Covered •       Chandra X-ray Observatory detects X-ray signal coinciding with a JWST 'little red dot' — strongest evidence yet for 'black hole star' theory •       Artemis III SLS core stage arrives at Kennedy Space Center Vehicle Assembly Building — Artemis II's Orion capsule 'Integrity' returns same day •       SpaceX Falcon Heavy returns to flight after 18 months, successfully launches ViaSat-3 F3 to complete global broadband constellation •       New axion dark energy cosmological model suggests universe may collapse in 33.3 billion years — Big Crunch scenario revisited •       Artemis II post-mission analysis: heat shield data, valve redesign needed, toilet issues flagged — teams prepare for tight Artemis III turnaround •       Eta Aquarid meteor shower peaks May 6 — up to 50 meteors/hour, best viewing from Southern Hemisphere before dawn Key Links •       Astronomy Daily website: astronomydaily.io •       Follow us: @AstroDailyPod •       Network: Bitesz.com Podcast Network •       Chandra / JWST little red dots paper: The Astrophysical Journal Letters •       NASA Artemis III core stage arrival: nasa.gov •       Eta Aquarid viewing guide: NASA Science skywatching

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