’Oumuamua

‘Oumuamua: the first known visitor from outside our solar system behaved strangely because it ... ‘outgassed’ hydrogen as the comet warmed up in the sunlight, say scientists. getty A…
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Does the nature of the interstellar object 1I/’Oumuamua require in-situ observations by a ... spacecraft? getty You remember ’Oumuamua? In 2017 astronomers…
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