View Full Version : We Live in a Cosmic Shooting Gallery

2013-Mar-13, 10:10 PM
In this new video from Big Think, astrophysicist Neil deGrasse Tyson says he’s almost embarrassed for our species that it takes a warning shot across our bow before legislators take seriously the warning they’ve been getting from astronomers that its a matter of when not if Earth will get smacked by an asteroid. “But it [...]

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