What is a satellite?
.A satellite is a machine that orbits a planet or a star. They help us find information.
.Satellites allow us to see large areas of Earth at one time.
.Satellites can collect more data, more quickly than instruments on the ground.
.Most satellites are launched into space on rockets.
.The first satellite ever launched into space was in the year 1957 and it was called the Sputnik 1. It was launched by the Soviet Union.
.Satellites come in many shapes and sizes.
.Most satellites have a antenna and a power source