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On this day in 1948 - February 16th - Gerard Kuiper discovered Miranda, a moon of Uranus.

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On this day in 1996 - February 17th - the NEAR Shoemaker spacecraft was launched.

The Near Earth Asteroid Rendezvous (NEAR) did a fly-by of asteroid Mathilde and then went on to study asteroid Eros from Orbit.

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Today - February 17, 2018 - NASA's Mars rover Opportunity her 5000th sol on the red planet.

[bOpportunity's mission was originally planned for 90 sols. A sol is a Martian day, and it's just over 39.5 minutes longer than an Earth day.[/b]




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On this day in 1930 - February 18th - Clyde Tombaugh discovered Pluto.

Pluto was considered to be the ninth planet for many years, but is now classified as a dwarf planet.

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On this day in 1677 - February 18th - Jacques Cassini was born at the Paris Observatory.

He was the son of the director of the observatory Jean Dominique Cassini, with whom he made numerous astronomical observations. Eventually, he took over his father's duties as head of the Paris Observatory and continued the astronomical work.

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On this day in 1473 - February 19th - Nicolaus Copernicus was born.

His work De revolutionibus orbium coelestium (On the Revolutions of the Celestial Spheres) set out his arguments for a heliocentric (sun-centered) system instead of a geocentric (Earth-centered) system.

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On this day in 1986 - February 19th - Mir was launched by the Soviet Union.

Mir was the first modular space station and was assembled in orbit. It was first continuously inhabited long-term research station in orbit. The failing station was deorbited in March 2001.


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On this day in 1965 - February 20th - John Glenn became the first American to orbit the Earth.

Glenn's space capsule Friendship 7 took him around the Earth three times before its splashdown.



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On this day in 1965 - February 20th - NASA's Ranger 8 ended its mission by a crash landing on the Moon.

The Ranger program was intended to obtain close-up images of the Moon's surface to help choose landing sites for Apollo missions. Ranger 8 transmitted 7,137 images before its mission ended.

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Thanks! i didn't know this.

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