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by gus_massa 5429 days ago
The Mars' circumference is ~13000 miles / ~21000 Km. If the landing site is on the correct side of Mars, the astronauts have to travel, let's say 2000 miles / 3000 Km, without roads or gas stations. So probably in the fists expeditions the persons will explore only the neighborhoods of the landing site, and will not be able to travel to the interesting sites.