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  Galileo Galilei saw the moon through a telescope.
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  Galileo first sight of the moon through a telescope in 1610.
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  Robert H. Goddard launches the first ever liquid fueled rocket.
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  Robert H. Goddard launched the first ever liquid fueled rocket.
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  Sputnik 1 launched by the USSR becomes the first satellite to send signals back to Earth.
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  The first successful test of a ballistic missile was claimed by the USSR in 1957.
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  The USSR launched Laika the Dog into orbit.
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  The USSR's Yuri Gagarin or bite the Earth in a Vostok Spacecraft.
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  The USSR launched Cosmonaut Valentina Tereshkova into space in 1963.
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  NASA launched Mariner 4 which became the first vessel to flyby mars.
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  NASA placed astronaut Neal Armstrong on the moon in 1969.
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  Salyut 1 becomes the first space station. Salyut was launched by the USSR in 1971
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  NASA launched and successfully recovered a space shuttle.
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  NASA took the first picture of the whole solar system in 1995
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  The Hubble Space Telescope is one of the best instruments for scientific discovery. It was launched by NASA in 1990.
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  NASA landed on an asteroid in 2001.
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  NASA's Curiosity Rover landed on Mars in 2015.