What if an asteroid was about to hit Earth? Scientists ponder question
Here's a hypothetical: a telescope detects an asteroid between 100 and 300 meters in diameter racing through our solar system at 14 kilometers per second, 57 million kilometers from Earth.
from Phys.org - latest science and technology news stories http://bit.ly/2WgprPI
from Phys.org - latest science and technology news stories http://bit.ly/2WgprPI
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