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1.
Which of these is not one of Neptune's moons?
2.
Which planet rotates on its side?
3.
Where is the hottest place in the known universe?
A cloud around many stars
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4.
What is the Greek version of the god Neptune is named after?
5.
What is the outermost part of the Sun?
6.
Which of these objects is smallest?
Pluto is just a tiny bit larger than Eris.
7.
Which two planets CAN have the closest distance together out of all planets?
8.
What is the orbit of the Earth?
A rectangle with rounded edges
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9.
Which of these planets will survive when the Sun becomes a red giant?
The Earth's oceans will burn up, but the rocks will survive
10.
When will (about) the Sun become a red giant?
11.
Which planet is known as the "Morning Star"?
12.
Which planet is the hottest?
13.
How much bigger is the Sun compared to the Earth?
14.
How often is Halley's comet visible from Earth?
15.
Which comet hit Jupiter in 1994?