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- The first artificial Earth satellite, Sputnik 1, was launched by the Soviet Union on October 4, 1957. The first human to go into space, Yuri Gagarin, was launched, again by the Soviet Union, for a one-orbit journey around Earth on April 12, 1961. Within 10 years of that first human flight, American astronauts walked on the surface of the Moon.www.britannica.com/science/space-exploration/Major-milestones
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Timeline of space exploration - Wikipedia. Contents. hide. (Top) Pre-20th century. 1900–1956. 1957–1959. 1960–1969. 1970–1979. 1980–1989. 1990–1999. 2000–2009. 2010–2019. Since 2020. Notes. See also. References. External links. Timeline of space exploration. See more
This is a timeline of space exploration which includes notable achievements, first accomplishments and milestones in humanity's exploration of outer space.
This timeline … See more• Discovery and exploration of the Solar System
• List of spaceflight records
• Timeline of Solar System exploration – A comprehensive list of … See more1900-01-01/1999-12-31Space exploration milestones and achievements1957-10-04/1959-01-03First artificial satellite, Sputnik 1, launched by the Soviet Union1961-04-12Yuri Gagarin becomes the first human to travel to space1969-07-20Apollo 11 lands on the Moon, Neil Armstrong becomes the first human to walk on the Moon1971-11-03Mariner 9 becomes the first spacecraft to orbit another planet, Mars1972-12-11/1972-12-14Apollo 17 lands on the Moon, the last human mission to the Moon1977-08-20Voyager 2 launched, the first spacecraft to study the outer Solar System1986-02-19Mir space station launched by the Soviet Union1990-04-24Hubble Space Telescope launched by NASA1997-11-07First successful landing on another planet, Mars, by Mars Pathfinder• Chronology of Space Exploration Archived 2017-05-25 at the Wayback Machine archive of important space exploration missions and … See more
Wikipedia text under CC-BY-SA license WEBApr 11, 1970 · Space exploration remains one of the greatest technological advances in human history. Learn about the Apollo missions, the Space Shuttles Columbia and Challenger, Neil Armstrong and more.
WEBDec 30, 2010 · As the first decade of the twenty-first century comes to a close what might we consider the ten most important events in space exploration and discovery? Ten Events of Great Significance in Space …
WEBWhile the observation of objects in space, known as astronomy, predates reliable recorded history, it was the development of large and relatively efficient rockets during the mid-twentieth century that allowed physical …
WEBBy the beginning of the 20th century, the centuries-old technology of rockets had advanced to the point at which it was reasonable to consider their use to accelerate objects to a velocity sufficient to enter orbit …
WEBIn 1898, a Russian schoolteacher, Konstantin Tsiolkovsky (1857-1935), proposed the idea of space exploration by rocket. In 1903, Tsiolkovsky published a report entitled Exploration of the Universe with Rocket …
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