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75 If a massive object like Jupiter flew past the Earth how close would it need to come to pull people off of the surface? May 27 '19
66 Sun constantly converts mass into energy, will this cause its gravity to decrease? Feb 25
37 Why does the Moon appear gray when passing between the Sun and the Earth? Jul 26 '16
29 Are binary neutron star mergers needed to explain the abundance of gold? Oct 16 '17
27 Are we really star-stuff from the interior of collapsing stars? Jan 12 '19
27 Is it possible to see mercury transit “clearly” by the naked eye? Nov 3 '19
25 Are there any double stars that I can actually see orbit each other? Jul 12 '19
24 When will the number of stars be a maximum? May 6 '19
23 What (the heck) is a Super Worm Equinox Moon? Mar 21 '19
23 During an eclipse, how big is the shadow of the moon on the earth? Mar 30
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