Astronomy on MSN
April 26, 1920: The great debate
On April 26, 1920, Harlow Shapley of Mount Wilson Observatory and Heber Curtis of Lick Observatory held a public debate at ...
Throughout the many adventures of Star Trek, it's extremely rare that the Enterprise (or any other ship) leaves the Milky Way ...
Scientists have mapped the extent of the Vela Supercluster for the first time, and determined that it is one of the largest ...
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