-
Sputnik I
It was put into space to see if it could orbit around earth safely -
Yuri A. Gagarian
Was the first human in space -
First American in space
-
Alan B. Shepard
First American in space -
John Glenn
First U.S. citizen to orbit Earth -
Mariner 2
Verified high temperatures in Venus's atmosphere -
Apollo 11/ Neil Armstrong
First first to walk on the moon. -
Pioneer 10
Sen back photos of Jupiter and was the first probe to encounter anouter planet -
Viking 1
Orbits mapped the surface of Mars; lander searched for life on Mars -
Magellan
Mapped Venus's surface and returned data on the composition of Venus's atmosphere -
Hubble Space Telescope launched
The Hubble Space Telescope was lauched