The Solar System and the Milky Way

Front

What does the solar system consist of?

Back

The solar system consists of the Sun and everything that orbits around it, including the eight planets and their moons, dwarf planets, and countless asteroids, comets, and other small, icy objects.

Front

What is most of the solar system made up of?

Back

Most of the solar system is empty space.

Front

What is the solar system a part of?

Back

The solar system is a part of the Milky Way galaxy, a huge system of stars and other objects.

Front

How often does the solar system orbit around the center of the Milky Way galaxy?

Back

The solar system orbits around the center of the Milky Way galaxy about once every 225 million years.

Front

How many galaxies make up the universe?

Back

The universe is made up of billions of galaxies, including the Milky Way.

Front

What is the largest planet in the solar system?

Back

Jupiter is the largest planet in the solar system.

Front

What is the primary source of energy for the solar system?

Back

The Sun is the primary source of energy for the solar system.

Front

What is the smallest planet in the solar system?

Back

Mercury is the smallest planet in the solar system.