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This Earth Day, Tuesday, April 22, three former NASA astronauts will present new evidence that our planet has experienced many more large-scale asteroid impacts over the past decade than previously thought… three to ten times more, in fact.
Tags » Astronauts
Astronauts to reveal sobering data on asteroid impacts, Nearly 30 City killers have hit in the last 10 years!
Very much enjoy watching his videos. Very grounded in his work yet imaginative at the same time.
Today we got to go back to the Lab School to introduce an exciting project to the students! On Tuesday, April 29th, 2014, the Lab School students and the Butler teachers will talk to real astronauts on the international space station via Skype! 544 more words