Class 4 (ICSE) • Environmental StudiesChapter 1: Our Solar System⭐ Topic 1
Our Solar System
Our solar system consists of the Sun and everything that orbits it, including eight planets, moons, and other celestial objects.
1
Know it
Step 1 of 3
2
See the pattern
Step 2 of 3
3
Try it out
Step 3 of 3
Fun picture
Try it now
Learn the idea step by step
1
Know it
The Sun is at the centre of our solar system, and its gravity keeps all the planets orbiting around it.
2
See the pattern
The eight planets, in order from the Sun, are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
Quick revision
Remember these!
- The Sun is at the centre of our solar system.
- The Sun's gravity keeps planets orbiting it.
- There are eight planets in our solar system.
- The order is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
- Earth is the only known planet to support life.
- Earth has water, oxygen and the right temperature.
- Moons, asteroids and comets are also part of the solar system.
- All objects orbit the Sun.