Question

1) " How many types ? What are of planets they?​

Answer 1

Answer:

Explanation:

Astronomers have come up with many criteria they use to classify these planets, one criterion is classifying the planets based on their composition. There are 17 different types of planets on the basis of composition.

Answer 2

Explanation:

8 planets

The eight planets are: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune