http://www.reddit.com/user/ForbesDawson1895
ForbesDawson18957 karma2020-06-23 14:14:15 UTC
Considering NASA, ESA, IAU etc. is working hard to track Earth-grazing asteroids, how come the Chelyabinsk object that airburst over Russia in 2013 came as a total surprise?
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ForbesDawson18957 karma
Considering NASA, ESA, IAU etc. is working hard to track Earth-grazing asteroids, how come the Chelyabinsk object that airburst over Russia in 2013 came as a total surprise?
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