Front

How many planets are there in the Solar System?

Back

eight

Front

Which is the closest planet to the Sun? Options: Jupiter, Mercury, Neptune, Mars

Back

Mercury

Front

What is Pluto?

Back

A dwarf planet

Front

What is the name of our galaxy?

Back

The Milky Way

Front

What unit do you use to express astronomical distances?

Back

The light-year

Front

Is the universe slowly moving?

Back

Yes, it is

Front

How many million years does it take the Sun to travel round our galaxy?

Back

225 million years

Front

Where is the biggest mountain in our Solar System? Options: On the Earth, On the Moon, On Mars, On Jupiter

Back

On Mars

Front

How long does a day in Venus last?

Back

116 Earth days

Front

How many stars are there in our galaxy? Options: 100 billion stars, 400 billion stars, 50 billion stars, 200 million stars

Back

400 billion stars