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The earliest known galaxies existed by about 380 Ma. Galaxies coalesce into "proto-clusters" from about 1 Ga (redshift z = 6 ) and into galaxy clusters beginning at 3 Ga ( z = 2.1 ), and into superclusters from about 5 Ga ( z = 1.2 ). See: list of galaxy groups and clusters, list of superclusters. Reionization: 200 Ma ~ 1 Ga (Exact timings ...
Skylab 3 (also SL-3 and SLM-2 [2]) was the second crewed mission to the first American space station, Skylab. The mission began on July 28, 1973, with the launch of NASA astronauts Alan Bean , Owen Garriott , and Jack Lousma in the Apollo command and service module on the Saturn IB rocket, and lasted 59 days, 11 hours and 9 minutes. [ 3 ]
Paul D. Scully-Power, first launched 5 October 1984, was born in Australia, but was an American citizen when he went into space; Australian law at the time forbade dual-citizenship. Taylor Gun-Jin Wang, first launched 29 April 1985, was born in China to Chinese parents, but was an American citizen when he went into space.
The Soviet Union took the lead in the post-war Space Race, launching the first satellite, [1] the first animal, [2]: 155 the first human [3] and the first woman [4] into orbit. The United States landed the first men on the Moon in 1969. Through the late 20th century, France, the United Kingdom, Japan, and China were also working on projects to ...
13 September 1959: First spacecraft to impact another celestial body (the Moon). First delivery of national pennants to a celestial body. USSR Luna 2: 4 October 1959: First photos of another world from space: the far side of the Moon. First gravity assist. USSR Luna 3
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On 11 July 2021 Virgin Galactic became the first spaceflight company to independently launch a founder of the company into space, using the 50-mile (80 km) high US definition of space, having flown founder Richard Branson above the 50-mile (80 km) mark on flight Unity 22 [note 2].
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