NASA’s October 12 Astronomy Picture of the Day explains an image showing Jupiter’s four Galilean moons aligned with Earth’s Moon.
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APOD: 2026 October 12 – Jupiter And The Moons
Terence Tao: Math 2.0 [Pdf]
Search interest is rising around a PDF titled “Math 2.0,” attributed to Terence Tao, but the reason for the attention is unconfirmed.
7 Best Portable Smart Telescopes for Easy Stargazing in 2027
Compare seven portable smart telescopes by setup, imaging features, portability, and ease of use to find the right fit for your stargazing plans.
APOD: 2026 October 11 – Ice Fishing For Cosmic Neutrinos
NASA’s October 11 APOD describes IceCube’s South Pole detector and says a founding collaboration leader will receive the Nobel Prize in Physics.
Tonight’s Sky Story: NASA Science (NASA APOD, 2026-10-11)
See how nearly 100 holes in Antarctic ice became a telescope for cosmic neutrinos—and what NASA’s IceCube photo really shows.
APOD: 2026 October 10 – Lunar Farside
NASA’s October 10 Astronomy Picture of the Day features a Lunar Reconnaissance Orbiter mosaic and explains why the farside looks different.
13 Best Telescope Dew Heaters for Clearer Observing in 2027
Compare 13 telescope dew heaters by fit, power, control, and portability to choose a heater strip or ring for your observing setup.
10 Best Astrophotography Star Trackers for Night-Sky Photography in 2027
Compare 10 astrophotography star trackers by tracking approach, setup needs, payload flexibility, and portability to find the right fit for your camera kit.
Your Book Review: We Present Television
A review-contest finalist revisits We Present Television, a 1940 collection on experimental broadcasting and the hopes surrounding a new medium.
10 Best Telescope Filters for Astrophotography in 2027
Compare telescope filters for astrophotography by target, filter type, barrel size, and camera needs to find the right fit for your setup.