Showing posts with label Dangerous Asteroids. Show all posts
Showing posts with label Dangerous Asteroids. Show all posts
Tuesday, August 20, 2013
NASA Expert Explains How Earth Could Be Saved From Dangerous Asteroids | VIDEO
Sci-fi flicks that star Earth-killing space rocks, such as the 1998 movie "Armageddon" or "Deep Impact," might be Hollywood fantasy, but according to astronomers, those silver-screen scenarios could become reality.
Given that there are "potentially hazardous asteroids" NASA has mapped out, scientists are continuing to scan skies just in case. In fact, NASA announced a new "grand challenge" in June to find all dangerous space rocks as well as a way to stop them from destroying Earth.
How exactly do you stop an asteroid in its tracks? I reached out to Lindley Johnson, program executive for the Near-Earth Object Program Office at NASA headquarters in Washington D.C., for the answer:
