astronomical objects
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Astronomers Confirm a Second Trojan Asteroid in Earth’s Orbit
Artist’s conception of the Earth Trojan asteroid 2020 XL5.Illustration: NOIRLab/NSF/AURA/J. da Silva/Spaceengine In December 2020, astronomers stumbled upon an object…
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Climate Change Is Making Space Junk a Bigger Problem
Photo: Marco Bertorello/AFP (Getty Images) In the pantheon of climate change concerns, more space junk isn’t high on my list.…
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Expanding Cloud From ‘Volcanic’ Star Revealed in New Hubble Image
The giant star AG Carinae. Image: Hubble/NASA/ESA On this, the 31st anniversary of the Hubble Space Telescope’s launch, astronomers with…
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Astronomers Don’t Know What Our Black Hole Ate, but They Definitely Saw It Belch
The Milky Way galaxy. Image: ESO/S. Brunier (Fair Use) In May 2019, astronomers witnessed a bright flare coming from the…
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Extreme Brown Dwarfs Found Spinning at Their Physical Limits
Artist’s impression of a brown dwarf. Image: NOIRLab/NSF/AURA/J. da Silva New research documents the fastest-spinning brown dwarfs on record. The…
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Mars Is Hiding Its ‘Lost’ Water Beneath the Surface, New Research Suggests
A view of Mars made up of around one hundred Viking Orbiter images.Image: NASA/JPL-Caltech/USGS Water that used to exist on…
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Astronomers Spotted a Black Hole Casually Gliding Through Space
The host galaxy of a mobile supermassive black hole.Image: Sloan Digital Sky Survey (SDSS) Some 230 million light-years from Earth,…
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Hubble Captures Stunning View of Spiral Galaxy NGC 2336
Spiral galaxy NGC 2336.Image: ESA/Hubble & NASA, V. Antoniou; Acknowledgment: Judy Schmidt NGC 2336 was discovered over a century ago,…
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Computer Simulations Suggest Mars Moons Result of Ancient Collision
Artist’s depiction of the hypothesized ancient collision. Image: Mark Garlick The Red Planet’s two tiny moons—Phobos and Deimos—could have formed…
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Move Over ‘Farout,’ Astronomers Confirm ‘Farfarout’ Is the Solar System’s Most Distant Known Object
A view of the night sky from the Uruguayan countryside on May 10, 2019.Photo: Mariana Suarez (Getty Images) What astronomers…
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