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added by globalquiz.org July 17, 2012, 4:31 p.m.
What part of the Moon surface had been known to humanity before the first photos of the dark side were taken in 1959?
52%
59%
81%
100%
Moon's libration changes the angle from which the Moon is seen, allowing about 59% of its surface to be seen from the Earth (but only half at any instant). Moon's libration is caused by the eccentricity of its orbit around Earth and by a slight inclination of its axis of rotation.
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Very interesting!
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This is initial version of the question.
added by globalquiz.org July 17, 2012, 4:31 p.m.
What part of the Moon surface had been known to humanity before the first photos of the dark side were taken in 1959?
50%
59%
80%
100%
Moon's libration changes the angle from which the Moon is seen, allowing about 59% of its surface to be seen from the Earth (but only half at any instant). Moon's libration is caused by the eccentricity of its orbit around Earth and by a slight inclination of its axis of rotation.
globalquiz.org
reach: rather globalastronomyMoonSolar Systemtechnology
This is a correction, already accepted and applied to the original question.
added by grifi bastion Sept. 17, 2017, 12:58 a.m.
+1 This change is good  Griffin's short plays
+1 This change is good  Jordan Wolny
+1 This change is good  griefing discord
What part of the Moon surface had been known to humanity before the first photos of the dark side were taken in 1959?
52%
59%
81%
100%
Moon's libration changes the angle from which the Moon is seen, allowing about 59% of its surface to be seen from the Earth (but only half at any instant). Moon's libration is caused by the eccentricity of its orbit around Earth and by a slight inclination of its axis of rotation.
grifi bastion
reach: rather globalastronomyMoonSolar Systemtechnology

Votes

+5 Very interesting!  globalquiz.org