December 15-21, 2025 / Hawai`i Island, USA
Vol 44, Week 50: Lunar Broadcast Precursor — Terrestrial Edition
ISRO / NSIL Blasts Off AST BlueBird-6 for Direct-to-Device Broadband Revolution
Satish Dhawan Space Center, Sriharikota, India, is scheduled to host LVM-3 liftoff December 15, propelling AST SpaceMobile satellite into 550 km orbit. BlueBird-6, the heaviest USA commercial communication LEO satellite at ~12,600 kg, has 223-square-meter antenna, the largest ever commercially deployed. Triple the size of BlueBirds 1 through 5 with 10x the bandwidth / data capacity, it aims for 100% USA coverage and 2.8B people worldwide for voice / data / video, helping to bridge the digital divide. New Space India Limited (NSIL), commercial arm of Indian Space Research Organization (ISRO), also handles launches of Eutelsat OneWeb and CMS-3 satellites. AST partners with Airbus and Thales Alenia Space in building BlueBird satellites. LVM-3 rocket (which sent Chandrayaan-3 to the Moon) uses 408,000 kg of solid fuel in its boosters, 230,000 kg in liquid core, and 56,000 kg of liquid oxygen/hydrogen in its cryogenic upper stage. Per-launch cost estimated at ~US$50M. ISRO looks forward to 2026 Gaganyaan-1 uncrewed test flight, and in 2028, Shukrayaan Venus orbiter, Chandrayaan-4 lunar sample return collaboration with JAXA, Mangalyaan-2 Mars mission, and 1st Bharatiya Antariksh space station module in partnership with Skyroot Aerospace, et al. (Image Credits: ISRO, NSIL, AST SpaceMobile)
AGU25 Convenes 25,000+ in New Orleans December 15-19 for Earth-Space Science Nexus
American Geophysical Union hosts its 106th annual meeting at Ernest N. Morial Convention Center, drawing 25,000+ attendees from 100+ countries, with thousands of presenters across 1,500+ sessions. The event now features ~200 space-related sessions under Planetary Sciences section, focusing on Luna, Solar System planets / moons, asteroids, Kuiper Belt and expects 5,000-7,000 participants in these tracks based on past trends. Moon-specific sessions include “P11A: Lunar Volatiles and Exosphere” presented by Noah Petro of NASA; “P12B: Artemis Science Opportunities” led by Makoto Yoshikawa of JAXA; “P21C: Lunar Interior and Magnetism” by USGS Clive Neal of USGS and published author on lunar geology; “P31D: Moon’s Surface Processes” featuring ESA head Josef Aschbacher on international collaboration; “P41E: Kuiper Belt and Asteroid Impacts on Moons” with New Horizons PI Alan Stern of Southwest Research Institute. Other notables include Erika Wagner of Blue Origin on asteroid resources, NASA Planetary Science Division Director Lori Glaze keynoting Mars sessions, and Kuiper Prize winner Faith Vilas on planetary contributions. Themes span Venus atmosphere, Jupiter moon habitability, asteroid mining, Kuiper object composition and foster interdisciplinary insights for future missions. Hybrid format includes town halls on NASA opportunities, networking for educators / policymakers, plenaries, posters, exhibits. (Image Credits: AGU)
Humans in Space
International Space Station, ~415-km LEO: Expedition 74 with Commander Mike Fincke and 6 other Astronauts / Cosmonauts ….
Tiangong Space Station, ~390-km LEO: Shenzhou-21 three-member crew …
Lunar Enterprise News: LED TITLE │ LED TITLE
Near-Earth Objects Close Approaches – Mon Dec 15: Apollo Asteroid 2025 WA3 (0.022 AU); Wed Dec 17: Aten Asteroid 2025 WN6 (0.040 AU); Thu Dec 18: Aten Asteroid 2015 XX168 (0.012 AU); Sat Dec 20: Apollo Asteroid 2010 WR7 (0.049 AU).
The First Woman FLYS to the Moon …
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First Women LAND on the Moon …
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