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The July Days (Russian: Июльские дни) were a period of unrest in Petrograd, Russia, between 16–20 July [O.S. 3–7 July] 1917. It was characterised by spontaneous armed demonstrations by soldiers, sailors, and industrial workers engaged against the Russian Provisional Government . [ 2 ]
On July 13, three days before Apollo 11's launch, the Soviet Union launched Luna 15, which reached lunar orbit before Apollo 11. During descent, a malfunction caused Luna 15 to crash in Mare Crisium about two hours before Armstrong and Aldrin took off from the Moon's surface to begin their voyage home.
1969 saw humanity step onto another world for the first time. On 20 July 1969, the Apollo 11 Lunar Module, Eagle, landed on the Moon's surface with two astronauts aboard. . Days later the crew of three returned safely to Earth, satisfying U.S. President John F. Kennedy's challenge of 25 May 1961, that "this nation should commit itself to achieving the goal, before this decade is out, of ...
The principal change was to space leap years differently so as to make the average calendar year 365.2425 days long, more closely approximating the 365.2422-day "tropical" or "solar" year that is determined by the Earth's revolution around the Sun.
25 hostess gifts from Walmart are way better than a bottle of wine
Apollo 17's plaque bears a depiction of the lunar globe in addition to the Earth. The plaques used on missions 13 through 16 bear the call-sign of each mission's Lunar Module. All of the plaques were left on the Moon, except for those of the aborted Apollo 13 mission.
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