Elon Musk @elonmusk
@Teslarati @13ericralph31 This will be really important one day. Much is made of meteor impacts that destroyed most life on Earth, but there were far more that “merely” destroyed a continent. Comets (not asteroids) are the real wild card, as we’re only able to track ~4600 out of ~1 trillion. — PolitiTweet.org
