Pluto was until the year 2006, the ninth planet of our solar system. The planet - since its discovery in 1930 - however, always been an outcast because Pluto was much smaller than the eight other planets. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune completed the list of planets circling around the sun. the
All continued to Pluto simply circling around the sun, the International Astronomical Union decided thirteen years ago that the planet no longer meet all three conditions.
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