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Hubble Telescope was launched into Earth's Orbit in 1990
http://hubblesite.org/the_telescope/ -
The U.S. Cosmic Background spacecraft detects the first evidence of structure in the radiation left over from the Big Bang that created the entire Universe.
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The United States space shuttle Atlantis docks to to the Russian space station. This connection created the largest spacecraft to orbit the Earth
https://www.nasa.gov/multimedia/imagegallery/image_feature_189.html -
An US rover named Sojourner wheels onto the surface of mars to explore the planets geology
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The International Space Station is established.
http://www.space.com/16748-international-space-station.html -
The Near Earth Asteroid Rendezvous (NEAR) spacecraft successfully landed on the surface of the asteroid Eros.
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Dennis Tito became the first tourist in space after paying $20,000,000 to the Russian Space Program.
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NASA launches the Spitzer Space Telescope aboard a Delta rocket.
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After descending by parachute, the Huygens probe lands on Saturn's largest moon, Titan.
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After a journey of 174 days, the Deep Impact space probe fulfills its mission by slamming into a comet known as Tempel 1.
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The Kepler spacecraft launches on a mission to search for planets outside our solar system.
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President Barack Obama signed legislation focusing NASA’s efforts on exploring Mars and all asteroids.
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The US Messenger to Mercury that launched in 2004 finally begins its year long orbit of the planet
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The space shuttle Atlantis becomes the last American space shuttle to be launched into space.
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NASA's DAWN spacecraft was the first man made spacecraft to orbit an asteroid.
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NASA's Dawn spacecraft enters orbit around dwarf planet Ceres.
