S6E1 Solar System Planets Comets Etc. Test Study Guide 2025

Front

What is the Heliocentric Theory?

Back

The Heliocentric Theory posits that the Sun is at the center of the Solar System, with all planets orbiting around it.

Front

What is the main star that planets in our solar system revolve around?

Back

The main star that planets in our solar system revolve around is the Sun.

Front

Which planet is the second from the Sun and known for its dense atmosphere?

Back

Venus is the second planet from the Sun and is known for its dense atmosphere consisting of carbon dioxide and sulfuric acid.

Front

List the planets in order from the Sun.

Back

The correct order of planets from the Sun is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.

Front

What galaxy contains our solar system?

Back

The Milky Way galaxy contains our solar system.

Front

What is the definition of a comet?

Back

A comet is a small celestial body that orbits the Sun, composed of ice, dust, and rocky material, often exhibiting a visible atmosphere and tail when close to the Sun.

Front

What is the difference between a planet and a moon?

Back

A planet is a celestial body that orbits a star, while a moon is a natural satellite that orbits a planet.

Front

What is an asteroid?

Back

An asteroid is a small rocky body that orbits the Sun, primarily found in the asteroid belt between Mars and Jupiter.

Front

What is the significance of gravity in the solar system?

Back

Gravity is the force that keeps planets in orbit around the Sun and governs the motion of celestial bodies.

Front

What is the largest planet in our solar system?

Back

Jupiter is the largest planet in our solar system.