What created this unusual hole in Mars? The hole was discovered by chance on images of the dusty slopes of Mars ... http://p.ost.im/p/druPPq
Friday, July 29, 2016
Watch the Delta Aquarids meteor shower tonight
Thursday night is the first major night of the Delta Aquarids meteor shower; the annual event peaks Thursday and Friday, with stargazers able to see up to 20 meteors an hour.
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