Friday, February 24, 2023

Dwarf planet Quaoar hosts a ring that shouldn’t be there

02/24/2023

NEWS  |  ASK ASTRO  |  SKY THIS WEEK  |  MAGAZINE

NEWS & FEATURES

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ESA

Researchers say the dwarf planet’s strange, clumpy ring should be a moon instead.

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CHRISTOPH SALZMANN

So-called medium-density amorphous ice has never been seen before. But researchers think it might be present in places like Jupiter’s Europa.

Adv_1

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CHASE DOAK (CC BY-SA 4.0)

There are thousands of sightings of unidentified aerial phenomena (UAPs), known more colloquially as UFOs, every year.

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STEPHEN JAMES O'MEARA

This multiple-star system will push the limits of your vision.

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ESO, ESA/HUBBLE, M. KORNMESSER

Why would someone falling into a stellar-mass black hole be spaghettified, but someone crossing the event horizon of a supermassive black hole would not feel much discomfort?

THIS WEEK IN ASTRONOMY

This Week In Astronomy With Dave Eicher
ASTRONOMY MAGAZINE

Take a look at the best space and sky events with Astronomy magazine Editor Dave Eicher. New videos uploaded every Monday.

OBSERVING

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ROGELIO BERNAL ANDREO

Your daily digest of celestial events coming soon to a sky near you, sponsored by Celestron. Updated Friday morning at 9 A.M. Central. 

PICTURE OF THE DAY

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JONATHAN TALBOT FROM OCEAN SPRINGS, MISSISSIPPI

NGC 1999 is a reflection nebula in the constellation Orion the Hunter. But it’s not the large reddish cloud that occupies most of this image. Rather, it’s the small nebula near the center with a dark inverted T in its middle.

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Scientist Pankaj

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