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The First and Second Laws of Planetary Motions
In 1609 in Germany, Kepler's laws of planetary motion are announced. -
Galileo Discovers Jupiter's 4 Moons
He discovered the moons with his telescope. The moons are named Io, Europa, Ganymede, and Callisto. -
Saturn's Rings and Titain are Discovered
In 1656 in the Netherlands, Christian Huygens discoveres Saturn's rings and Titain, the fourth satilite of Saturn. -
Martian Polar Caps are Discovered
In 1666 in Italy, Cassini discovered the martain polar ice caps. -
Reflecting Telescope
In 1668, the first reflecting telescope was built by Newton. -
First Animal in Orbit
Russian: Лайка. The first animal in space and the first animal to orbit the Earth. Soviet space dog. -
Explorer 1
In 1958, Explorer 1 launched in the USA -
First Man in Space
In 1961, the first man in space was Yuri Gagrin, from Russia. -
First Woman in Space
She spent about 71 hours in space, and 48 orbits. She was on Vostok 6. She is a Soviet Cosmonaut. -
First Men on the Moon
In 1969, Armstong and Aldrin became the first men to walk on the moon. -
First US Woman to go to Space
She became the first American woman to go to space when the shuttle Challenger launched on mission STS-7. -
Space Shuttle Challeger
In 1986, the Space Shuttle 'Challenger' disaster occured -
Hubble Space Telescope
In 1990, the Hubble Space Telescop was launched into orbit. -
Crashed into Jupiter
In 1994, Comet Shoemaker Levy crashes into Jupiter. -
Water on Mars
In 2000, scientists found evidence to prove there is water on mars.
