Space News Today

Today on Astronomy Daily: Japan's Hayabusa2 pulls off a nail-biting high-speed asteroid flyby, James Webb finds the same unexplained chemical mystery on Titan AND Pluto, a neutrino detector may have caught the universe's oldest supernova echo, a wild new theory tries to solve the black hole information paradox, we wrap up the weekend's aurora action, and we look at when NASA's New Horizons might finally cross into interstellar space.


Monday, July 6, 2026 1. Hayabusa2's Flyby of Asteroid Torifune • JAXA's Hayabusa2 spacecraft flew within ~800 metres of near-Earth asteroid (98943) Torifune on July 5, 2026, at a relative speed of about 5.25 km/s (~18,000 km/h). • This is an extended-mission flyby, not a sample return — Hayabusa2 already delivered Ryugu samples to Earth in December 2020. • Purpose: engineering demonstration of high-precision navigation relevant to planetary defense (asteroid deflection technology). • Torifune is roughly 450 metres across. Next stop for Hayabusa2: rendezvous with asteroid 1998 KY26 in 2031. • Source: JAXA/ISAS, Nikkei Asia, phys.org (July 5, 2026). 2. Mystery Molecule Found on Both Titan and Pluto • James Webb Space Telescope data reveals an unexplained absorption feature at ~5.11 micrometres on the surfaces of Titan (Saturn's largest moon) and Pluto. • Evidence points to a surface origin rather than atmospheric origin, based on limb-vs-disc-center comparison on Titan. • Candidate compounds include allenes, but no confirmed identification yet. • Pluto's absorption line is roughly three times broader than Titan's at the same central wavelength. • Study led by Dr. Bruno Bézard's team (Paris Observatory); posted to arXiv June 11, 2026 — not yet peer-reviewed. 3. Super-Kamiokande's Hint of the Diffuse Supernova Neutrino Background • Super-Kamiokande collaboration presented results at Neutrino 2026 (UC Irvine) after analyzing ~5,000 days of data. • Found a statistically significant excess of events between 13.3–81.3 MeV — consistent with the long-predicted Diffuse Supernova Neutrino Background (DSNB). • Significance: 2.6-sigma (~99.5% confidence) — below the 5-sigma discovery threshold, so described as an 'indication,' not a confirmed detection. • If confirmed, DSNB would offer a new way to study the cosmic history of core-collapse supernovae via neutrinos rather than light. 4. A Theoretical Fix for the Black Hole Information Paradox • New theoretical study proposes black holes stop evaporating just before vanishing completely, leaving a stable Planck-scale remnant (~9×10⁻⁴¹ kg). • Mechanism: a repulsive force from spacetime torsion in a 7-dimensional Einstein-Cartan model, active at extreme (Planckian) densities. • Proposal: quantum information is preserved via long-lived 'vibrations' in the remnant's internal torsion field. • This is a theoretical/mathematical proposal, not an observational result. Researchers: Pinčák, Pigazzini, Pudlák, Bartoš. 5. Weekend Geomagnetic Storm / Aurora Wrap-Up • X1.1 solar flare (June 30) and associated CME triggered a G3 (strong) geomagnetic storm around July 3–4, 2026. • Aurora borealis visible as far south as Utah, Colorado, and Nevada in the continental US. • NOAA SWPC reports conditions easing to unsettled/G1 levels through July 6 as CME effects wane. 6. Forecasting New Horizons' Crossing Into Interstellar Space • SwRI researchers (lead: Dr. Jonathan Gasser) combined solar wind forecasting with heliosphere models to predict New Horizons' termination shock crossing. • Forecast window: 2029–2040, with possible multiple crossings as the heliosphere expands/contracts with the solar cycle. • New Horizons is currently ~66 AU from the Sun. Voyager 2 crossed its termination shock at 84 AU in 2007, with a 46% solar wind speed drop. • New Horizons would become only the third spacecraft (after Voyager 1 and 2) to cross this boundary. • Two papers: Advances in Space Research and The Astrophysical Journal (SwRI, 2026).





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SpaceTime Series 29 Episode 80 Did ancient asteroid impacts prevent Earth’s continents from forming A new study suggests the barrage of asteroid impacts that slammed into the ancient Earth during the Hadean Eon between 4.6 and four billion years ago may have prevented the formation of the planet’s first continents. Could the ice giants Uranus and Neptune really be magma worlds A new study suggests that the solar systems two ice giants Uranus and Neptune might actually be magma worlds. World’s biggest atom smasher powers down The world’s most powerful atom smasher has been shut down for a four year major refit. The Science Report Sedentary behaviour linked to a 9% higher risk of death by cancer. Confirmation that mRNA vaccines are safe and highly effective. Artificial night time lighting has made planet Earth 16 percent brighter between 2014 and 2022. Study shows sending an electric current through black coffee can measure its strength and roast. Skeptics guide to AI and misinformation . Our Guests This Week: Professor Tim Johnson from Curtin University And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn (http://www.bitesz.com/nordvpn) . The discounts and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌ If you’d like to support the podcast and gain access to bonus content by becoming a SpaceTime crew member, you can do just that through The Big Bang editions on Patreon, Spotify and Apple Podcasts. Details on the Support page on our website https://www.bitesz.com/show/spacetime/support/ (https://www.bitesz.com/show/spacetime/support/)


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Universe, and WeightlessnessIn this Q&A edition of Space Nuts, Andrew Dunkley and Professor Fred Watson tackle an array of intriguing listener questions that delve into the complexities of the universe. From the implications of an expanding universe to the elusive graviton and the experience of transitioning from weightlessness back to Earth's gravity, this episode promises to enlighten and entertain.Main Topics:


The potential for a future black void in our night sky as the universe continues to expand.


Understanding the graviton: Why do some physicists believe in its existence despite its elusive nature?


Exploring the properties of photons and their wave-particle duality.


The impact of long-term weightlessness on astronauts and their return to normal gravity.


Listener feedback and inspiring stories about engaging younger generations in astronomy.


Timestamps:


00:00 - Introduction to today's Q&A session and listener engagement


02:30 - Clint's question about the future of the night sky and cosmic expansion


12:45 - Alan's deep dive into gravitons and their connection to gravity


28:00 - Misty's inquiry about the wave function of particles and photons


40:15 - Casey's question on the effects of returning to gravity after weightlessness


50:30 - Final thoughts and encouragement for listener questions


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Join Andrew and Fred Watson for another fascinating exploration of the cosmos, and don't forget to send in your questions for future episodes. Keep your curiosity alive and continue to look up!


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Astronomy Daily — S05E132 — Weekend Space and Astronomy News Wrap — Saturday, July 4, 2026 It's the Fourth of July weekend edition of Astronomy Daily! This week's wrap covers the successful launch of the Swift rescue mission after a week of delays, the historic start of the Vera C. Rubin Observatory's decade-long sky survey, an aurora-triggering geomagnetic storm timed for the holiday weekend, a promising nearby habitable-zone super-Earth, a brand new James Webb 'cosmic fireworks' image released for America's 250th birthday, and a rare ultra-close conjunction between Mars and Uranus visible before dawn today. In this episode: • Swift Boost mission: LINK spacecraft launches successfully on the final flight of Pegasus XL • Vera C. Rubin Observatory begins its 10-year Legacy Survey of Space and Time from Chile • G2–G3 geomagnetic storm watch brings aurora chances for the July 4 weekend • Recap: GJ 3378 b, a potentially habitable super-Earth just 25 light-years away • JWST releases new 'cosmic fireworks' image of the FS Tau star system for America 250 • Mars and Uranus in an extremely close conjunction, visible before dawn today Links & sources: • science.nasa.gov/blogs/swift — Swift Boost mission updates • rubinobservatory.org — Vera C. Rubin Observatory LSST • swpc.noaa.gov — NOAA Space Weather Prediction Center aurora forecasts • science.nasa.gov/missions/webb — James Webb Space Telescope FS Tau image release • space.com/stargazing — Mars-Uranus conjunction viewing guide





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Astronomy Daily S05E131 — Friday, July 3, 2026 1. Swift Rescue Mission — Grounded Mid-Flight • Katalyst Space Technologies' LINK spacecraft was set to launch aboard a Pegasus XL rocket, air-launched from Northrop Grumman's Stargazer aircraft over Kwajalein Atoll. • Thursday's attempt (July 2) got airborne after two prior weather scrubs, but was aborted mid-flight when engineers spotted an unexplained warning. • No new launch date has been set. Swift faces uncontrolled reentry by October 2026 without a successful reboost. 2. Solar Storm Watch — G2 Geomagnetic Storm Active Today • X1.1 flare (June 30) plus 10 M-class flares in 24 hours from sunspot region AR4479. • NOAA SWPC G2 (moderate) geomagnetic storm watch in effect for July 3, easing July 4. • Aurora borealis potential as far south as Idaho/New York (US); aurora australis potential for Tasmania and southern NZ/VIC under clear, dark skies. 3. TESS's First Microlensing Exoplanet — Gaia23bra b • Super-Jupiter (~1.63 Jupiter masses) orbiting an orange dwarf ~40,000 light-years away, discovered via gravitational microlensing — a first for TESS. • Originally flagged by ESA's Gaia mission in 2023; confirmed using archival TESS data. • Published July 1, 2026 in The Astrophysical Journal Letters, led by Mallory Harris (University of New Mexico). 4. GJ 3378b — Revised Habitable-Zone Super-Earth, 25 Light-Years Away • UC Irvine team revised the planet's mass down to 2.3 Earth masses (rocky super-Earth, not mini-Neptune) and orbital period to 21.45 days. • Receives ~90% of the stellar radiation Earth receives from the Sun — squarely in the habitable zone. • Atmosphere unknown; planet does not transit, so JWST transit spectroscopy isn't possible. Published in The Astrophysical Journal, led by Paul Robertson (UC Irvine). 5. ESO Study: 1.7 Million Planned Satellites 'Devastating' for Astronomy • Study led by ESO astronomer Olivier Hainaut, accepted for publication in Astronomy & Astrophysics. • Modelled impact of proposed constellations (SpaceX ~1M for space data centres, Reflect Orbital 50,000 mirror satellites) on ESO's VLT and the Vera Rubin Observatory. • Recommends a hard cap of 100,000 satellites, all fainter than naked-eye visibility. Decision pending from the US FCC. 6. JWST Solves the WD 1856b Mystery • Gas giant (4–11 Jupiter masses) orbits a white dwarf every 34 hours, blocking 56% of its star's light during transit. • New JWST atmospheric data shows the planet is ~240K hotter than expected — evidence it migrated inward 3–5.5 billion years after the star's death, rather than surviving the red giant phase in place. • Published July 1, 2026 in Nature, led by Ryan MacDonald with Northwestern's Christopher O'Connor.





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