Time
Line
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1543
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1609
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1926
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A
polish astronomoner named Nicholaus Copernicus beleives the planets
revolve around the sun.
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An
Italian astronomoner named Galileo Galilei proves Coprenicus's theroy
by using the a telescope.
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Robert
H. Goddard launches the first liquid-propelant rocket that they
will be later used in space exploration.
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1957
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1957
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1960
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The first artifcial satellite (Sputnik 1) is luanched into orbit around Earth. |
The Soviet Union's
Sputnik 2 launches the first animal into space to see if living things
can survive in space.
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NASA
launches the first commuinication satellite which are now important
to TV and radio communications around the globe.
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1961
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1961
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1963
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On
April 12, the Soviet Union's Yuri Gagarin becomes the first human to
orbit the Earth.
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John Glenn becomes the
first American to orbit the Earth.
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Valentina
Tereshkova, a Russian cosmonaut is the first women to fly in space.
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1969
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1973
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1981
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Neil
Armstrong part of the Apollo 11 on the moon is the first human
on the moon.
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Skylab,
America's first space station is launched into space.
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Columbia,
the first space shuttle, is launched.
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1983
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1986
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1988
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Sally
Ride becomes the first American woman to go into space.
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The
shuttle Challenger explodes 73 seconds after liftoff. All seven crew
members are killed.
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The
space shuttle program begins again with the takeoff of Discovery.
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