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Space Exploration Timeline
13 Nov 2017
First Artificial Satellite: Sputnik I - launched by Russia - size of beach ball - weighed 83.6 kg - took 98 minutes to orbit Earth
First Woman in Space - Valentina Tereshkova - Russian - spent 3 days in space and orbited Earth 48 times in Vostok 6
First Orbiting Lab - Manned Orbiting Labrotory by Air Force - "a crewed surveillance satellite into orbit to spy on the Soviet Union" - never actually launched into space
First Space Walk - Alexei Leonov (he was 30 years old at the time) - Leonov was a Soviet cosmonaut - Voskhod 2
First Successful Space Docking - Gemini 8 - under command of Neil Armstrong, docked with Agena Target Vehicle.
First Lunar Orbit - Apollo 8 - second manned spaceflight mission in U.S. Apollo space program
First Lunar Landing - Apollo 11 - Neil Armstrong, Buzz Aldrin, and Michael Collins (American) - "One giant leap for mankind"
Last Lunar Landing - Apollo 17, final mission of NASA's Apollo program - Eugene A. Cernan, Ronald E. Evans, Harrison H. Schmitt
First Space Shuttle Mission - Columbia lifted off Kennedy Space Center - commander: John Young, a veteran of Gemini and Apollo - pilot: Bob Crippen.
First Martian Landing - consisted of a lander and Sojourner (the rover) - ended November 4, 1997 after great success and public interest - second mission in NASA's low-cost Discovery series - "The mission's primary objective was to demonstrate the feasibility of low-cost landings on the Martian surface."
First Man-Made Object to Leave the Solar System - Voyager 1 - Launched in 1977
First Orbit of Earth - USSR's Yuri Gagarin - happened in Vostok 1
First Manned Space Flight - USSR's Yuri Gagarin - happened in Vostok 1
Skylab - United States' first and only space station - fell back to Earth in 1979 in pieces that landed in Esperance, Australia (near Perth)
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