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Twenty Questions
Our Solar System
Twenty Questions
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1. What’s the name of our galaxy?

Milky Way
2. What’s a galaxy ?

A galaxy is a group of stars.
3. How many galaxies are there in the
universe?

There are millions of galaxies in the universe.
4. How many planets are there in our
Solar System?

There are eight planets in our Solar System.
5. Can you name all the planets in our
Solar System?

Mercury, Venus, Earth, Mars, Jupiter, Saturn,
Uranus and Neptune.
6. What’s the Sun?

The Sun is the nearest star to the Earth.
7. How hot is it on the surface of the
Sun?

About 5,500’C
8.How hot is it in the centre?

About 15 million ‘C
9. How long does a day on Mercury
last?

59 days
10.What’s the hottest planet?

Venus
11. Which planet has got the largest
volcano?

Mars
12. Which planet is called the Red
Planet?

Mars
13. What’s the biggest planet?

Jupiter
14. What’s the second largest planet?

Saturn
15. What’s the windiest planet?

Neptune
16. Which planet is the furthest from
the Sun?

Neptun
17. Why is life possible on the Earth?


Because it’s not too hot or too cold.
Because of the air we can’t live without.
18. What’s the Moon?

It’s the Earth’s satellite.
19. How many percent of the Earth is
water?
75%
20.What is Saturn famous for?

It’s famous for its beautiful rings.