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Sputnik I
first artificail satellight launched in space -
Period: to
Space Race
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Yuri Gargan
1st human in space. orbited earth -
Project Mercury
1st step to reach the moon -
PIoneer 10
transmitter failed in 2003 but still continues through space.
sent photos of Jupiter. 1st probe to encounter an outer planet -
Viking I
It mapped the surface of Mars. searched for life on Mars. -
Voyager 1 & 2
they explore beyond the solar system. continue to transmit data to Earth. went past Jupiter, Saturn, Uranus, and Neptune -
Magellan
mapped Venus's surface. gave data on composition of its atmosphere. -
Galileo
released a smaller probe that approached Jupiter. studied Europa and Io Jupiter's moons