Which rover was the first to explore Mars?

Curiosity
Opportunity
Sojourner
Spirit
So­journ­er was the first Mars rover. It was much smaller then Cu­rios­i­ty, whose wheel is about the size of the whole So­journ­er. It landed on July 4, 1997 as part of Mars Pathfind­er mission on Mars's Ares Vallis and re­maind­ed in contact with Earth till Sep­tem­ber 27, 1997.

Answers distribution

Curiosity
Opportunity
Sojourner
Spirit
answers
flagthe United Arab Emirates
10%
10%
80%
0%
10
flagSwitzerland
8%
16%
75%
0%
24
flagIndia
30%
10%
60%
0%
10
flagthe United States
12%
9%
50%
28%
32
flagthe United Kingdom
28%
10%
45%
14%
83
flagthe Netherlands
12%
24%
44%
20%
25
flagGermany
25%
12%
33%
28%
39
flagPoland
31%
19%
30%
18%
3395
flagUnknown
39%
21%
21%
17%
450
flagSweden
50%
33%
8%
8%
12
flagItaly
41%
25%
8%
25%
12

Gender

men22%
women31%
Curiosity
38%
33%
Opportunity
21%
14%
Sojourner
22%
31%
Spirit
17%
20%

Language versions

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Which rover was the first to explore Mars?
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Details

Author: smyru
Illustration: Chris Radcliff
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