Asteroid Discovery from 1980 - 2010 from the National Astronomy and Ionosphere Center (white = newly discovered asteroid, red = earth crossers, yellow = earth approachers)
via FlowingData
Asteroid Discovery from 1980 - 2010 from the National Astronomy and Ionosphere Center (white = newly discovered asteroid, red = earth crossers, yellow = earth approachers)
via FlowingData
roomthily: spatially, with respect to space (save the words)
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