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What is the planet closest to earth
Mercury
What type of galaxy is the Milky Way
Spiral galaxy
What is the biggest planet
Jupiter
What is in the center of the Milky Way
Black hole
What is the coldest planet
Neptune
Approximately how much of the earth is water
75%
What planet has the shortest day
Jupiter
What planet did NASA want to put man on
Mars
What planet has the nickname '' The sideways planet''
Uranus
What planet has the longest days
Venus