Inner vs. Outer Planets

Front

What are the Inner Planets?

Back

The Inner Planets are the four planets closest to the Sun: Mercury, Venus, Earth, and Mars. They are rocky and have solid surfaces.

Front

What are the Outer Planets?

Back

The Outer Planets are the four planets farthest from the Sun: Jupiter, Saturn, Uranus, and Neptune. They are mostly made of gas and are much larger than the Inner Planets.

Front

Which planets are known as 'Gas Giants'?

Back

Jupiter and Saturn are known as 'Gas Giants' because they are large and primarily composed of hydrogen and helium.

Front

Which planets are known as 'Ice Giants'?

Back

Uranus and Neptune are known as 'Ice Giants' because they have a higher proportion of water, ammonia, and methane ices in their composition.

Front

Which planets have more moons, Inner or Outer Planets?

Back

Outer Planets have more moons than Inner Planets.

Front

Which planet is known as the 'Red Planet'?

Back

Mars is known as the 'Red Planet' due to its reddish appearance caused by iron oxide (rust) on its surface.

Front

Which planet is closest to the Sun?

Back

Mercury is the closest planet to the Sun.

Front

Which planet is known for its prominent rings?

Back

Saturn is known for its prominent and beautiful rings.

Front

What is the main difference in composition between Inner and Outer Planets?

Back

Inner Planets are rocky, while Outer Planets are mostly gaseous.

Front

Which planet is known as the 'Blue Planet'?

Back

Earth is known as the 'Blue Planet' because of its blue oceans.