Stars
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Sometime this year, the night sky will get a brand new 'star' that will be visible with the naked eye, even in the city. The celestial light show will be the result of an explosive interaction between two neighboring stars that occurs every 80 years.
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In a few billion years, the Sun will destroy the solar system’s inner planets – and if it’s lucky, it might get a big cool scar to brag about. That’s what happened to a newly found white dwarf, which appears to have a bizarre metal scar on its surface.
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The youngest neutron star detected so far turned 37 years old last week. To celebrate, James Webb Space Telescope has finally found the most direct evidence of it, hiding among the remains of the supernova cloud it was born in.
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NASA has officially selected a new mission – the Ultraviolet Explorer, or UVEX. By scanning the skies in UV light, it will be able to study the hottest objects and fleeting events like supernovae, and create a detailed new map of the cosmos.
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Astronomers have mapped out half the universe in X-ray light, using a space telescope called eROSITA. The new map, which contains almost a million X-ray sources, is the basis of dozens of new scientific papers, with many more to come.
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“Astronomers discover a completely unknown object floating around in space” is a common news theme, but it’s fun every time. The latest is a brand new type of star – ancient red giants the team has nicknamed “Old Smokers.”
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Astronomers have discovered a neutron star orbiting a mysterious object that, by all accounts, shouldn’t be able to exist. Seemingly invisible in light, and too small to be a black hole, the object defies explanation.
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Space is one of the most versatile and photogenic subjects, and this year was no different. From a sunrise captured by the International Space Station to the most distant star ever observed, here are some of the best space photographs taken in 2023.
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Black holes are famous for gobbling up everything – but could they ever be swallowed whole? A new study suggests stars could capture very small black holes. There might even be a way to find them, and if so, they could help us understand dark matter.
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You’d never notice one star in the galaxy that wasn’t from around here. Astronomers have now found that a star right near the supermassive black hole at the center of the Milky Way likely originated in a smaller galaxy that ours devoured.
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Scientists have uncovered hints of a world of new elements beyond the periodic table. A new study has found that ancient stars may have been producing extremely heavy elements that remain unknown to science.
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The James Webb Space Telescope may have been touted a successor to Hubble, but the old-timer still has some life left in it. These two iconic instruments have now teamed up to take a deep-field image of the colorful “Christmas Tree galaxy cluster.”
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