What object collided with Earth according to giant impact hypothesis?

a comet
a moon
an asteroid
a planet
Ac­cord­ing to the giant impact hy­poth­e­sis Earth once collided with a planet of Mars size usually referred to as Theia, a titaness of Greek mythol­o­gy, mother of Selene - Moon goddess, which is to reflect the believe the col­li­sion was an origin of the Moon.

Answers distribution

a comet
a moon
an asteroid
a planet
answers
flagFinland
10%
10%
0%
80%
10
flagthe United States
3%
11%
33%
51%
27
flagNorway
0%
0%
54%
45%
11
flagUnknown
11%
4%
40%
43%
62
flagPoland
11%
8%
39%
40%
2617
flagGermany
10%
5%
48%
35%
39
flagthe United Kingdom
14%
5%
47%
32%
70

Gender

men42%
women34%
a comet
8%
10%
a moon
9%
6%
an asteroid
38%
48%
a planet
42%
35%

Language versions

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answers
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What object collided with Earth according to giant impact hypothesis?
10
30%

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Author: smyru
Illustration: Carolina Ödman
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