- Moon is 4,30,000 kilometres away from the Earth.
- Planetary scientists help us to understand the planets,satellites and smaller bodies in the solar system.
- Astronomy is one of the fields of scientific study.It is the study of the outer space.
- Discovered by clyde tombaugh in 1930,Pluto was a plant for 76 years.it is now thought be an object in the kuiper belt, a disk shaped area of icy dark objects beyound Neptune.