Space Mission Timeline

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Main

Viking 1-2

1975

Found massive canyons volcanoes and no signs of life.

Voyager

1977

Found 98 moons around the planets

Magellan

1989

found 98% of Venus’s surface

Galileo

1989

became able to see close up studies of two asteroids Gaspra and Ida

Mars GLobal Surveyor

1996

learned more about the past of Mars.