In 1957, the first Earth-orbiting artificial satellite, ''Sputnik 1'', was launched. In 1961, the first human trip into space was successfully made by Yuri Gagarin. Many other Soviet and Russian space exploration records ensued, including the first spacewalk performed by Alexei Leonov. Vostok 6 was the first human spaceflight to carry a woman into space (Valentina Tereshkova). Luna 9 was the first spacecraft to land on the Moon, Sputnik 2 was the first spacecraft to carry an animal (Laika), Zond 5 brought the first Earthlings (two tortoises and other life forms) to circumnavigate the Moon, Venera 7 was the first spacecraft to land on another planet (Venus), and Mars 3 was the first spacecraft to land on Mars. ''Lunokhod 1'' was the first space exploration rover, and ''Salyut 1'' was the world's first space station.