Asteroid the size of six city blocks has a (tiny) chance of hitting Earth - CNET
The large space rock, which measures about a kilometer in diameter, temporarily became a top priority for astronomers who track potentially hazardous objects.
from CNET https://ift.tt/2TzVIDk
via Mobiles
from CNET https://ift.tt/2TzVIDk
via Mobiles
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