Question

have any spacecraft ever visited mars?​

Answer 1

Answer:

Mariner 9 successfully entered orbit about Mars, the first spacecraft ever to do so, after the launch time failure of its sister ship, Mariner 8. When Mariner 9 reached Mars in 1971, it and two Soviet orbiters (Mars 2 and Mars 3, see Mars probe program above) found that a planet-wide dust storm was in progress.

Explanation:

hope it helps...

Answer 2

Answer:Mariner 9

Explanation:launched successfully on may30,1971.

By NASA..