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Explorer 1 was the first satellite launched by the United States in 1958 and was part of the U.S. participation in the International Geophysical Year (IGY). The mission followed the first two satellites, both launched by the Soviet Union during the previous year, Sputnik 1 and Sputnik 2. This began a Space Race during the Cold War between the ...
Apollo–Soyuz was the first crewed international space mission, carried out jointly by the United States and the Soviet Union in July 1975. Millions of people around the world watched on television as an American Apollo spacecraft docked with a Soviet Soyuz capsule. The project, and its handshake in space, was a symbol of détente between the ...
Images from the Hubble Space Telescope in 1996 cover 85% of Pluto and show large albedo features down to about 75° South. [191] [192] This is enough to show the extent of the temperate-zone maculae. Later images had slightly better resolution, due to minor improvements in Hubble instrumentation. [193]
Explorers Program. An Explorer mission observes Sagittarius A*, the Milky Way's central black hole, flaring. The Explorers program [1] is a NASA exploration program that provides flight opportunities for physics, geophysics, heliophysics, and astrophysics investigations from space. Launched in 1958, Explorer 1 was the first spacecraft of the ...
ATS-3. First full-disk "true color" [ 41] picture of the Earth; [ 42] subsequently used on the cover of the first Whole Earth Catalog. [ 43][ 42] December 21, 1968. Apollo 8. First full-disk image of Earth from space taken by a person, probably by astronaut William Anders. [ 44] December 24, 1968.
NASA astronaut Jeffrey N. Williams on Expedition 13, with various floating photography equipment in Zvezda module Image of the clouds and Moon in the distance, by a Kodak DCS760C An example of digital photography by Donald Pettit on Expedition 30.
In 1965, KSC Director Kurt H. Debus was authorized to spend $2 million on a full-scale visitor center, covering 42 acres. Spaceport USA, as it was soon titled, hosted 500,000 visitors in 1967, its first year, and one million by 1969. Ten-thousand visitors toured the center on December 24, 1968, following the Apollo 8 orbit of the Moon. [4]
Timeline of space exploration. This is a timeline of space exploration which includes notable achievements, first accomplishments and milestones in humanity's exploration of outer space . This timeline generally does not distinguish achievements by a specific country or private company, as it considers humanity as a whole.