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.
globalquiz.org
0
Correct this question
5
Very interesting!
reach: rather globalastronomyMoonSolar Systemtechnology

Answers by country

52%
59%
81%
100%
answers
flagSingapore
26%
66%
6%
0%
15
flagSouth Africa
38%
57%
0%
0%
21
flagFrance
33%
55%
3%
3%
27
flagPoland
34%
53%
7%
3%
19934
flagthe United Kingdom
33%
50%
9%
5%
333
flagNew Zealand
35%
50%
3%
7%
28
flagMalaysia
27%
50%
0%
5%
18
flagthe Philippines
36%
46%
10%
6%
99
flagGermany
42%
45%
8%
4%
71
flagthe Netherlands
52%
44%
4%
0%
25
flagIndia
39%
43%
10%
5%
972
flagRepublic of Ireland
40%
42%
15%
2%
40
flagGreece
52%
42%
5%
0%
19
flagthe United Arab Emirates
51%
40%
0%
8%
35
flagthe United States
43%
39%
9%
5%
819
flagAustralia
41%
38%
11%
6%
78
flagPakistan
52%
38%
5%
3%
55
flagUnknown
37%
37%
17%
7%
40
flagNigeria
44%
33%
11%
5%
18
flagCanada
57%
28%
10%
2%
70