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Black holes, explained ⚫️

12/15/2023

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NASA/CXC/M.Weiss SCIENCE Black holes, explained simply These are answers to eight frequently asked questions about black holes, some of the most fascinating objects in the universe.

Celestron OBSERVING The best telescopes for $500 or less	ECLIPSE STORE 2024 Eclipse Pin

Osama Fathi The Gemind meteor shower peaks this week The Geminids are one of the best meteor showers of the year, consistently producing meteor rates of dozens per hour.

ECLIPSE STORE 2024 Eclipse Lanyard	Aleksey Baskakov/Dreamstime.com OBSERVING How to choose a camera for the eclipse

International Gemini Observatory/NOIRLab/NSF/AURA/A. Smith SCIENCE Astronomers capture a green ghost in our skies The phenomenon, which rarely appears above red sprites that dance over thunderstorms, reveals the presence of metals in our atmosphere.

Dotted Yeti/Shutterstock ASK ASTRO Ask Astro: What happens at the center of a black hole? All matter in a black hole is concentrated into a central point of infinite density and infinitesimally small size — a singularity.

Alex Roberts from Williamson, Ariz. PICTURE OF THE DAY Heart of the heart	Foundry Co (Pixabay) SKY THIS WEEK The Sky This Week: Winter begins

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