First artificial satellite.
To study the effects of space on a biological creature (Dog). Doggo named Laika.
She only survived 2 days and there was no way to retrieve the satellite.
Sent up Ham the chimpanzee. The goal was to obtain physiological data. Ham performed the procedures well. Ham survived and lived out the rest of his days.
First man to be up in space named Yuri. Was remote controlled from the ground. Was in space for an hour and a half. Landed in Egypt and people thought he was an Alien.
First American human to enter space. His name was Alan Shepard. Was able to control the ship.
Helped us learn that astronauts could be in space with a space suit (Space Walk),
Was the 4th in a series to do a fly by exploration. Changes Scientists idea about life on mars.
First successful moon landing. People were aboard.
First spacecraft to travel through the asteroid belt. The first spacecraft to make direct observations and obtain close-up images of Jupiter.
Made to measure Mercury's environment and atmosphere. First satellite to visit mercury.
Was built to study the outer planets of our Solar System. Still the only spacecraft to have visited the outer planets.
Took advantage of rare planetary alignment. Was to study the outer solar system. Still going. Heading to the Ort Cloud.