The Solar System and the Milky Way

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

• The Moon

• The Sun

• Jupiter

• The Earth

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

• About once every 100 million years

• About once every 225 million years

• About once every 500 million years

• About once every 1 billion years

What is the solar system a part of?

• The Milky Way galaxy

• The Andromeda galaxy

• The Local Group

• The Virgo Cluster

What is most of the solar system made up of?

• Solid planets

• Gas giants

• Empty space

• Asteroids and comets

What is the smallest planet in the solar system?

• Venus

• Earth

• Mercury

• Mars

How many galaxies make up the universe?

• 100 million

• 1 billion

• billions

• 10 trillion

What does the solar system consist of?

• 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.

• The solar system consists of the Earth and its atmosphere only.

• The solar system consists of the Sun and the stars that are visible at night.

• The solar system consists of the Moon and the planets that orbit around it.

What is the largest planet in the solar system?

• Earth

• Jupiter

• Mars

• Saturn