If you know anything about Neptune you should like it and if you don't know anything about Neptune you could learn a lot from this quiz. Good Luck! 10 Questions.
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Which astronomer predicted the existence of Neptune, then used calculations to find it?
On which day (or should I say night?) was Neptune discovered?
September 23, 1846
March 13, 1781
December 6, 1874
What is the density of Neptune (in kilograms per meter cubed)?
What is the radius of Neptune?
15, 500 miles
What is the surface temperature of Neptune?
What is the surface magnetic field of Neptune (relative to Earth)?
What is the surface gravity of Neptune (relative to Earth)?
What is Neptune's rotation period in Earth days?
Neptune has the fastest winds on its surface in the solar system. How fast can these tremendous winds go?
Neptune's surface has one lasting storm on it. What is it?
Great Dark Spot
Great Red Spot
Great Blue Spot
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