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The seasonal variations of temperature on any planet depend on the characteristics of the planet's orbit, atmosphere, and axial tilt. Extrasolar planets are not all the same and appear to come in even greater variety than what we see in our solar system.
Probably Galileo
Nobody found it. The Nibiru hoax was created in 1995.
Pluto. It's been called a dwarf planet since the year 2006.
The dwarf planet Pluto was discovered in the year 1930. It was discovered by Clyde Tombaugh and is the largest object found in the Kuiper belt.
Last year, scientist found a planet the called it Uranus.
In the year 1974 NASA's Mariner 10 space probe flew by the planet Venus. Later in the year the same probe flew by the planet Mercury, the first flyby of the planet in human history.
Space exploration is a very important part of science history. Mars was the planet that was first explored in the year 1972.
The mariner spacecraft first landed on Mars 1971 I think.
(A GUY TALKING IN A COOL VOICE-)"In the year 2117, there was a 8 year old gay boy named Shannon. He had found a magic lamp and was granted 3 wishes. The first a fur jacket the second a flying car and the third a planet full of Unicorns. There is the story of the planet. (SONG-) A gay boy wished for a planet full of unicorns. Planet Unicorn, Unicorn Planet. Give it up for Feathers, Ooh, Cadillac, and Tom Cruise! Uhhh whoooa! Planet Unicorn... Heyyy!"
First, you have to type your birth year to know which planet is for you. Second, every Scorpion's planet is Mars and Pluto, if you're intrested in that.
The fossils were first found in 1983