Explorit's ASTRONOMY Quiz (Level II)
: Which planet was discovered in 1781 by amateur astronomer William Herschel?
: Which planet has a diameter of 4,200 miles and orbits our sun every 687 days?
: Where does "sky" end and "space" begin?
5 miles high
20 miles high
50 miles high
140 miles high
: Which of the following statements is
The moon orbits around the Earth's center;
The Earth and the Moon each orbit around a common center;
The Earth orbits around the Moon's center.
: A total eclipse of the Sun by the Moon can only occur when the Moon is: ?
at first quarter;
any of the above.
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