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The first telescope was built by Galileo.
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The first time Galileo looked though the first telescope at the stars.
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Sir Isaac Newton built a different kind of telescope, the first reflecting telescope.
A reflecting telescope has a concave mirror. -
Leon Foucault a forechecking sicenist hung a heavy iron weight from a long wire.
He made this to see how the garvity works. -
The Soviet Union launched the first satellite, Sputnik, into space
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The first U.S. Satellite explorer 1 went into orbit.
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Alan Shepard became the first American to fly into space.
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The first artificial satellite was launched.
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The Soviet spacecraft 2 and 5 were launched and later was the first space craft to orbit the moon and return to earth.
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The Apollo 11 team landed on the moon.
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The Soviet venera 7 became the frist probe to land on Venus.
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The moon rover was driven on the moon for the first time.
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The U.S. Launched its first space station, Skylab.
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Voyager 2 began transmitting images from unarus
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Voyager 2 began transmitting ting images from Neptune.
