Sun, Mercury, Venus

How old is our Milky Way Galaxy?

• 2.6 billion year

• 3.6 billion years

• 4.6 billion years

• 5.6 billion years

Choose all the things in our solar system.

• planets and moons

• sun and stars

• planets, moons, stars, dwarf planets, comets, asteroids and meteors

• planet, moon, comets, stars,

Choose all the things in our solar system.

• planets and moons

• sun and stars

• planets, moons, stars, dwarf planets, comets, asteroids and meteors

• planet, moon, comets, stars,

Our solar system revolves around the

What is the Sun's diameter?

• 0.4 miilion km

• 1.4 million km

• 2.4 million km

• 3.4 million km

The _________ is at the centre of our solar system.

• earth

• moon

• Sun

• star

It takes _______ minutes and 19 seconds for light to get to the Earth.

• 7

• 8

• 9

• 10

Mercury is the ________ planet in our Solar System.

Mercury is the _________ planet to the Sun.

A day on Mercury is __________ than a year.

• longer

• shorter