The first man made object in space
How it looked like
it was designed by the Soviet Union. It was only 56cm in diameter (22in) and was 83kg (183lb). It was a polished silver aluminum ball that was only the size of two basketballs.
It had four external radio antennas to broadcast radio pulses.
It only took 96 minutes to orbit the Earth and made 1,440 orbits around the Earth. It traveled about 70 million kilometer. The Sputnik 1 fell on Earth in December 18, 1957.
The Cold war "Space race"
When the Soviet Union launched Sputnik it was during the cold war. Most of the cold war was about who will put the 1st thing in space. People feared the Soveit put nulear weapons in the satillite.
Sputnik 2 was launched November 4, 1957 . It was the first spaceccraft to carry a animal. She was dog named Laika. But she died within an hour after the launch because the extream heat and many more problem. :(