-
Gailieo
reached jupiter -
Sputnik 1
started the space age, artifical satellite -
Period: to
Space Exploration
-
Yuri A. Gagarian
first human in space!!!!! -
Alan B. Shepard
first U.S. citizen in space -
John Glenn
first U.S. citizen to orbit Earth -
Mariner 2
explored Venus's atmosphere -
Surveyor
landed on moon: proved that the moon could hold spacecraft and humans -
Project Apollo
landed on the moon with Neil Armstrong -
Neil Armstong
first man to step on moon -
Pioneer 10
first probe to encounter outer plant: Jupiter photos -
Viking 1
space probe oribited and mapped the surface of Mars -
Gailieo
it launched -
Magellan
mapped Venus's surface and returned data on the composition of Venus's atmosphere -
Terra
satellite obtained illustration of the space technology to study Earth