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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.
Space Exploration Technologies Corp., commonly referred to as SpaceX, is an American space technology company headquartered at the Starbase development site near Brownsville, Texas. Since its founding in 2002, the company has made numerous advancements in rocket propulsion , reusable launch vehicles , human spaceflight and satellite ...
After the name, denotes sub-orbital space travellers who have flown into orbit on a subsequent space flight. After the name, denotes space travellers who have flown to the Moon without landing. After the name, denotes space travellers who have walked on the Moon. ‡ After the name, denotes those who died during their first spaceflight. [nb 1] †
The satellites were subsequently retrieved by Space Shuttle Discovery during mission STS-51-A in November and were returned to Earth for refurbishment. Westar 6 was sold to AsiaSat and renamed AsiaSat 1 , and launched by a Chinese Long March 3 carrier rocket on 7 April 1990.
Harris was born on June 26, 1956 in Temple, Texas.His parents were Bernard A. Harris, Sr. and Gussie Emanual Harris. [1] His parents divorced when he was six years old and seeing his father, who had only a tenth grade education, struggle to find work inspired Harris to pursue STEM.
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 United States to achieve orbit. Over 90 space missions have been launched since.
This is a timeline of Solar System exploration ordering events in the exploration of the Solar System by date of spacecraft launch. It includes: It includes: All spacecraft that have left Earth orbit for the purposes of Solar System exploration (or were launched with that intention but failed), including lunar probes .
The theory of space exploration had a solid basis in the Russian Empire before the First World War with the writings of the Russian and Soviet rocket scientist Konstantin Tsiolkovsky (1857–1935), who published pioneering papers in the late 19th and early 20th centuries on astronautic theory, including calculating the Rocket equation and in 1929 introduced the concept of the multistaged rocket.