First observed interstellar object is a speedy, cigar-shaped asteroid

First, it turns out ‘Oumuamua, which is Hawaiian for “messenger from afar arriving first,” is most likely an asteroid, not a comet, because it lacks a comet’s hallmark coma — the cloud of gas that surrounds and trails a comet. Secondly, it has a super weird shape. It’s very long and skinny, about 1,300 feet …

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