Which of Saturn's moons 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 amount of craters, it's safe to assume that it is a very old geological feature.
Ninjai
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Very interesting!
reach: rather globalastronomyplanetsSaturnSolar System

Answers by country

Dione
Rhea
Enceladus
Iapetus
answers
flagthe Philippines
0%
10%
20%
70%
10
flagFrance
10%
20%
20%
50%
10
flagGreece
9%
36%
9%
45%
11
flagAustralia
13%
9%
40%
36%
22
flagPoland
13%
28%
33%
25%
3336
flagAustria
9%
43%
21%
25%
32
flagIndia
8%
39%
30%
21%
136
flagGermany
17%
30%
31%
19%
123
flagthe United Kingdom
11%
33%
36%
19%
36
flagSwitzerland
0%
41%
41%
17%
17
flagthe United States
5%
36%
42%
15%
76