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Prehistoric trees hint at immense solar storm 14,000 years ago

10/20/2023

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Svein-Magne Tunli (tunliweb.no/Wikimedia) SCIENCE Prehistoric trees hint an immense solar storm hit Earth 14,300 years ago Researchers discovered a radical spike in carbon-14, evidence of a massive flare that dwarfs the largest measured solar flare event.

Pranvera Hyseni OBSERVING ‘Ring of fire’ annular eclipse wows Sun-gazers across the Americas	ECLIPSE STORE Total Eclipse Floaty Pen

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Science Illustration: NASA, ESA, Z. Levay and R. van der Marel (STScI), T. Hallas, and A. Mellinger This Week in Astronomy with Dave Eicher: Andromeda’s collision course with the Milky Way Don’t look now, but a head-on intergalactic collision is in our distant future.

ECLIPSE STORE 2024 Total Solar Eclipse Commemorative Coin	Athulpg007/Wikimedia Commons SPACE EXPLORATION Aerocapture: Using a planet’s atmosphere to slow down a spacecraft

Nacho Rascón (Flickr) OBSERVING Winner of the 50th anniversary essay contest announced The poignant tale of sharing the night sky won our reader essay contest — and a Celestron telescope.

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NASA, ESA, CSA, STScI; Joseph DePasquale (STScI), Anton M. Koekemoer (STScI), Alyssa Pagan (STScI) ASK ASTRO Ask Astro: How does JWST image protostars?

Acquired by Francis Sansivirini from La Ceiba, Honduras; processed by René Saade PICTURE OF THE DAY Ring of fire	Jeff Sullivan (Flickr) SKY THIS WEEK Catch the Orionids

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