Clone of The solar system test questions - Other

1

What is at the centre of our solar system?

2

What force keeps the planets in orbit around the Sun?

3

What is a year in terms of a planet?

4

What are comets made from?

5

Why is it often easy to see comets?

6

What are asteroids made from?

7

What was a direct effect of a large asteroid collision with Earth many years ago?

8

What is a satellite?

9

Communication satellites are often in geostationary orbits. What does this mean?

10

How is orbital speed calculated?