The mapping of Mars’ surface began.
Mariner 9 started mapping over 85% of the surface area of Mars on this day.
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The European Space Agency launched its 'Mars Express,' the first planetary mission in Europe.
The Soviet spacecraft Luna I became the first to pass the moon.
NASA's Opportunity Mars rover launched from the Florida Cape Canaveral Space Force Station.
Prospero became the first British satellite to have been launched successfully by a British rocket.
The Venera 3 space probe became the first human-made object to land on another planet.