Nuclear Satellite Inspections, New Horizons Awakens, and a Cosmic Catalog of Galaxy Clusters

Nuclear Satellite Inspections, New Horizons Awakens, and a Cosmic Catalog of Galaxy Clusters

๐Ÿš€ Astronomy Daily S05E136 โ€” Thursday, July 9, 2026

A nuclear-weapon detector satellite concept, New Horizons waking from its longest hibernation, a 7,000-galaxy-cluster catalogue from the South Pole Telescope, ispace's Starship Moon cargo deal, SpaceX's record-breaking booster, and tonight's Venusโ€“Regulus conjunction โ€” all in today's edition.

CHAPTERS
00:00 Cold open
00:45 Story 1 โ€” Catching a nuclear weapon hiding in orbit
04:30 Story 2 โ€” New Horizons wakes up, 5.9 billion miles from home
08:00 Story 3 โ€” Antarctic telescope maps 7,000+ galaxy clusters
11:15 Story 4 โ€” ispace books a ride on Starship to the Moon
14:15 Story 5 โ€” SpaceX breaks its own reuse record, again
16:45 Story 6 โ€” Venus cosies up to Regulus tonight
19:15 Sign-off & Did-You-Know

๐Ÿ”— Links & sources in full at astronomydaily.io
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