Bill Nye @BillNye
Greetings everyone... a day late, but yesterday was Asteroid Day! 30 June 1908 there was an enormous “airburst” event over Tunguska, Siberia. Chance of another impact: 100%, unless we prepare. We can explore space. We can save the world! https://t.co/aA5ibNdBEv — PolitiTweet.org