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'Most pristine' star ever seen discovered at the Milky Way's edge — and could be a direct descendant of the universe's first stars
Astronomers have discovered a surprisingly "pristine" red giant with the lowest concentration of heavy elements ever seen in ...
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X-Rays Reveal Betelgeuse's Companion Is Something Astronomers Didn't Expect
O'Grady and her colleagues found no sign of X-rays in the Chandra data. Even assuming that the wind gusting out of Betelgeuse ...
"Are we alone?" This ancient question has occupied humanity's mind for a long time. In 1995, the discovery of the first exoplanet orbiting a sun-like star opened the door to exploring this profound ...
New research suggests there may be a narrow window of possibility for life to persist on the icy moons of the outer solar system. Can life survive in the solar system once the sun dies and becomes a ...
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Is Europa, Jupiter's ocean moon, the final haven for life once the sun dies? Here's what a recent study shows
The most intriguing question is what will happen to life in our solar system after the sun dies. The sun will become a red giant and wipe out Earth in roughly 4.5 billion years. The cold moons of the ...
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