The characteristics of the planets in our solar system are as follows:
1. Mercury: This planet has no atmosphere; hence, it witnesses extreme temperatures during day and night.
2. Venus: It has a very dense atmosphere and has no satellite.
3. Earth: It is the only planet in our solar system that supports life.
4. Mars: It has a reddish appearance; hence, it is also known as the Red Planet.
5. Jupiter: It is the largest planet in our solar system with 39 moons.
6. Saturn: It is a beautiful planet and has a large number of icy rings around the equator.
7. Uranus: It has rings around it and 21 moons.
8. Neptune: It is the farthest planet in our solar system and has physical features similar to those of Uranus.