The asteroid that likely wiped out the dinosaurs 65 million years ago was big enough that its impact sent fragments flying into space—some as far as Mars and even Jupiter’s moon, Europa. And scientists believe that those fragments were large enough to carry life—at least of the microscopic variety.
Enough big chunks were thrown from the Earth that astrobiologist Prof Jay Melosh, of Purdue University even says, “I sometimes joke that we might find ammonite shells on the Moon from that event.”
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