Du kan ikke administrere dette plugin
Log ind for at føje denne video til en playliste.
Log på
Harvard astrophysicist Dr. Avi Loeb has just analyzed meteor particles he retrieved from the Pacific Ocean to determine their origin. "It's not a matter of science fiction," says Loeb. "It's not a matter of people talking about it in talk shows or politicians discussing it in the Congress. It's something that scientists can get to the bottom of."