Introducing the Solar System

Front

When was the solar system formed?

Back

The solar system was formed 4.6 billion years ago.

Front

What is the order of the planets starting from the closest to the sun?

Back

The order is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.

Front

What unit of measurement is used to measure distance within the solar system?

Back

The unit of measurement is called an astronomical unit.

Front

What did our Solar System form from?

Back

Our Solar System formed from a cloud of hydrogen, helium, rock, ice, and other materials.

Front

What makes up our solar system?

Back

The solar system is made up of the sun, the planets and their moons, and a variety of smaller objects.

Front

What is the largest planet in our solar system?

Back

The largest planet in our solar system is Jupiter.

Front

What is the closest planet to the sun?

Back

The closest planet to the sun is Mercury.

Front

What is the main source of light and heat in the solar system?

Back

The main source of light and heat in the solar system is the sun.

Front

What are the four inner planets called?

Back

The four inner planets are Mercury, Venus, Earth, and Mars.

Front

What are the four outer planets called?

Back

The four outer planets are Jupiter, Saturn, Uranus, and Neptune.