Which of Saturn's natural satellites has such distinctive equatorial ridge?

Dione
Rhea
Enceladus
Iapetus
The ridge is 13 km high, 20 km wide and 1300 km long. Its origin is not known, but con­sid­er­ing the amounts of craters it's safe to assume that this is a very old ge­o­log­i­cal cre­ation.

Answers distribution

Dione
Rhea
Enceladus
Iapetus
answers
flagthe Netherlands
7%
21%
14%
57%
14
flagthe United States
11%
0%
35%
52%
17
flagGermany
11%
46%
19%
23%
26
flagPoland
12%
29%
34%
22%
1817
flagthe United Kingdom
10%
20%
51%
17%
29
flagUnknown
12%
37%
33%
15%
249

Gender

men21%
women22%
Dione
13%
14%
Rhea
30%
30%
Enceladus
35%
31%
Iapetus
21%
23%

Language versions

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Which of Saturn's natural satellites has such distinctive equatorial ridge?
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Details

Author: Ninjai
Illustration: Paul T.
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