Apollo 11 and the Mare Tranquilitatis
Tomorrow, July 20, 2019, will mark the 50th anniversary of the landing of Apollo 11 on the moon: the module of the spacecraft called _Eagle_ settled on the _Sea of Tranquility_, a relatively smooth, basalt area of its surface. The poetic name Mare Tranquilitatis was coined by two astonomers: the first was the 17th-century scientist […]
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