NASA APOD’s October 22, 2026 feature explores a white dwarf, its rocky disk, and why some stars can appear green—though not to your naked eye.
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Tonight’s Sky Story: NASA Science (NASA APOD, 2026-10-22)
Faster To Science: A Letter To The Science Community
NASA Science says Competition Model 2.0 will streamline mission proposals and selection, with projected timeline cuts of up to 45%.
Astrophotography Star Atlas Checklist 2026
This checklist is for astrophotographers who want a clearer sense of the…
15 Best Telescope Dew Shields for Clearer Viewing in 2027
Compare 15 telescope dew shields by tube fit, design, cap options, and intended telescope type to find the right match for your observing setup.
Against Against Handover
An Astral Codex Ten essay distinguishes AI takeover from handoverism and examines how aligned AIs might hold power while serving human interests.
APOD: 2026 October 20 – An Anticrepuscular Rainbow Fan
NASA’s Oct. 20, 2026, Astronomy Picture of the Day explains a rainbow-like fan photographed at sunset in Presenzano, Italy.
Open Thread 456
Astral Codex Ten’s Open Thread 456 lists meetup updates, an AI safety grantmaking survey and new projects, including an AI prediction market.
15 Best Halloween in 2027
Discover the top Halloween products of 2027, from costumes to decorations and treats. Find the perfect picks for a spooky, fun-filled holiday season.
An AI Watch For NLCs: Reading The Twilight Dial At 83 Km
An AI-built showcase uses an interactive twilight dial to explain noctilucent clouds, but it is a fictional project, not a live science service.
14 Best Dew Heaters for Telescopes in 2027
Compare 14 telescope dew heaters by fit, power, control, and setup to find the right option for your telescope, camera lens, or observing style.
