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4 tiny, Earth-like planets found circling 2nd-closest star system to us — and could be visited by future human generations
A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in ...
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Chances of 'City Killer' Asteroid Hitting Earth in 2032 Reach New High
Bruce Betts, chief scientist of The Planetary Society, told AFP that 2024 YR4 could be a "city killer" if it hits Earth: "If you put it over Paris or London or New York, you basically wipe out the ...