Planets

Which planet has the longest day?

• Earth, which takes about 24 hours to rotate once.

• Mars, which takes about 24.6 hours to rotate once.

• Jupiter, which takes about 10 hours to rotate once.

• Venus, which takes about 243 Earth days to rotate once.

What are the outer planets of the solar system?

• Mercury, Venus, Earth, Mars

• Uranus, Saturn, Neptune, Jupiter

• Pluto, Eris, Haumea, Makemake

• Earth, Mars, Jupiter, Saturn

What are gas giants?

• Planets that are mostly made of gases, including Jupiter, Saturn, Uranus, and Neptune.

• Planets that are primarily composed of rock and metal, such as Earth and Mars.

• Small celestial bodies that orbit planets, like moons and asteroids.

• Stars that are primarily made of hydrogen and helium, like the Sun.

What is the largest planet in our solar system?

• Mars

• Earth

• Jupiter

• Saturn

What is the smallest planet in our solar system?

• Venus

• Earth

• Mercury

• Mars

Name the four inner planets of the solar system.

• Jupiter, Saturn, Uranus, Neptune

• Mars, Earth, Mercury, Venus

• Pluto, Eris, Haumea, Makemake

• Mercury, Venus, Earth, Mars

Which planet is known for its prominent rings?

• Jupiter

• Mars

• Saturn

• Venus

What is the term for the path that planets take around the sun?

• Orbit

• Revolution

• Rotation

• Trajectory

What are terrestrial planets?

• Planets that are primarily composed of gas and have no solid surface.

• Planets that have solid surfaces and rocky cores, including Mercury, Venus, Earth, and Mars.

• Planets that orbit outside the asteroid belt and are mostly icy.

• Planets that are larger than Jupiter and have multiple moons.

What is the closest planet to the sun?

• Venus

• Earth

• Mercury

• Mars