Venus is further from the sun than Mars.

Mercury has the shortest year.

Neptune is the furthest planet from the sun.

Saturn is the hottest planet in our solar system.

Uranus is further from Mars than it is from Venus.

Jupiter has the longest year.

The sun is a star.

Broken space suits can be found in space.

Astronauts' footprints can still be found on the moon.

After a long time, the flags on the moon will fall down.

What is the biggest planet in our solar system?

What is the temperature on Mars in the daytime?

Which planet has a diameter of 4,880km?

How many Earths could fit inside the sun?

Which planet is sometimes called "The third rock from the sun"?

Mars is the second planet.

What is the average daytime temperature on Saturn?

Mars is bigger than Jupiter.

Saturn is a gas planet.

Which planet has the most confirmed moons?

What is the average daytime temperature on Jupiter?

Our solar system has 10 planets.

It takes the furthest planet about 50,000 Earth days to orbit the sun.

Some planets have more than 50 moons.

The Sun's diameter is more than ______ kilometres.

Light cannot leave a black hole.

This was the first animal in space.

Neptune is not in the solar system.

This is the planet which we live on.

This is at the centre of our solar system

Uranus has rings.

If Mercury's orbit were slower, it would fall into the Sun.

The only visitor of Neptune is Voyager 1.

Voyager 1 & 2 are flying into deep space.

This planet is sometimes called "The sideways planet".

Mercury has two moons.

Uranus is the coldest planet.

Mars is the ________ planet in the solar system.

Earth's daytime temperature is 22℃.

This is the largest moon in our solar system.

Some moons are bigger than planets.

The biggest moon in our solar system orbits Jupiter.