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The Sputnik was sent into space by Russians in 1957 to orbit Earth and to tell us about the layers of the atmosphere. It also started the space race and was the 1st satellite and manmade object to go into space.
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The Explorer was the first satellite launched by the United States and was sent to orbit Earth.
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Mercury was launched by the U.S because they wanted to be the country that had the first man to orbit Earth.
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Gemini was lauched by the U.S to have astronauts travel long distances in space and to try to get astronauts to the moon.
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Apollo 11 was sent into space by the Americans to study the moon and it also carried the first astronuat to step on the moon, Neil Armstrong.
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The Voyager was launched by the U.S into our solar system and was the first human-made satellite to reach interstellar space.
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Magellan was launched by the U.S and was sent to study Venus. It made the first global map of the surface of Venus and made global maps of Venus's gravity field.
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Galileo was launched by the U.S to study Jupiters atmosphere. It was the first satellite to fly past the asteriod belt, it was meant to study Jupiter but was crashed to protect its discovery of a possible ocean under Europa"s icy crust.
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The Hubble telescope was launched by the U.S to study our solar system. It showed many pictures of the stars, planets, and galaxies in our solar system and was one of the most memorable telescopes.
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The XMM Newton was launched in French Guiana to study our solar system. It helps us uncover cosmic mysteries that range from enigmatic blackholes to the formation of galaxies.
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Swift was launched by the U.S to tell us more about Gamma-Ray Bursts in our galaxy.
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The Calipso was launched by the Americans to orbit Earrth and study the atmosphere.
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Themis was alunched by the U.S to tell us what causes auroras in Earth's atmosphere to go from shimmering waves to wildly shifting streaks of color.
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Pheonix was launched by the U.S to go to Mars to uncover clues to geological history and biological potential of the Martian Arctic. It was also the 1st mission to return data from either polar region.
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Juno was launched by the U.S and was sent to study Jupiter. It will also be the the first satellite able to see through Jupiter's thick clouds.
