The universe is a dangerous place. NASA just showed it was possible to defend Earth against it.

The asteroid moonlet Dimorphos as seen by the DART spacecraft 11 seconds before impact. 33548″ data-volume-uuid=”a3aa8e0c7″ data-volume-id=”33548″ data-analytics-placement=”article:middle” data-volume-placement=”article” data-volume-autoplay=”false” class=”volume-video” data-volume-player-choice=”youtube”>

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