Vostok 1

first artificial satelite, went around for three months.

Dog was sent into space and the hull was broken so the dog only survived for two days.

To obtain physiological information with a chimpanzee named Ham. he was up for 16 minutes and thirty eight seconds.

first human in outer space, he was in space for 108 minutes. Yuri Gagarin

First American in space, he could control the ship but was there for 15 minutes. Alan shephard

Learned about going outside in a space suit.

The first satellite to fly by mars.

First successful moon landing.

First spacecraft to make observations of Jupiter. it was a satellite.

measuring mercury environments atmosphere.