Shooting Lasers At Asteroid Models To Simulate Nuclear Defense Against Potential Collisions

Trading 14 mar 2018 Donner votre avis
An asteroid roughly the size of a sports stadium passed Earth by in the first week of March, traveling at a speed of about 4 miles a second at a distance almost four time that is between our planet and the moon. While that may seem pretty far away, NASA classifies any asteroid larger than 150 meters (about 490 feet) across and within 7.5 million kilometers (4.6 million miles) from Earth to be potentially hazardous.

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