viking 1 was sent in outer space is to study planet from surfaces.. it was sent and landed at Mars and studied the surface of the planet... :)
The purpose of a probe is to independently visit outer space and sent us the photos and data. No.
state university theory
Mars
the megellan space probe was sent to venus.
Russia
The Mariner10 space probe and the Mercury Messenger space probe.
In 1967, the USSR sent Venera 4 into space to probe the planet Venus. This was followed by Venera 5 in 1969 and Venera 6 in 1969. The US sent the Pioneer Venus 2 to probe Venus in 1978.
yes
curiosity
2011
The space probe Mariner 10 has been sent to Mercury. Currently the unmanned space probe MESSANGER is photographing and studying Mercury.
yes, they sent the Voyager 2 in 1977