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 Arab Emirates
0%
10%
10%
80%
10
flagGermany
10%
2%
35%
51%
68
flagthe United States
5%
10%
36%
47%
38
flagPoland
10%
8%
34%
46%
5326
flagNorway
0%
0%
53%
46%
13
flagIndia
4%
18%
31%
45%
22
flagUnknown
10%
10%
34%
44%
624
flagthe United Kingdom
11%
5%
43%
37%
103
flagSweden
9%
18%
45%
27%
11
flagthe Netherlands
25%
5%
60%
10%
20

Gender

men44%
women34%
a comet
9%
10%
a moon
10%
9%
an asteroid
35%
45%
a planet
44%
34%

Language versions

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What object collided with Earth according to giant impact hypothesis?
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Author: smyru
Illustration: Carolina Ödman
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