Inner and Outer Planets

Front

What are the inner planets?

Back

The inner planets are Mercury, Venus, Earth, and Mars. They are rocky and have a solid outer layer.

Front

What is a key characteristic of outer planets?

Back

Outer planets are mostly made of gas and liquid around a solid core.

Front

Which planet is known for having the most complex ring system?

Back

Saturn is known for having the most complex ring system.

Front

Which planet's size, makeup, and structure are similar to Uranus?

Back

Neptune's size, makeup, and structure are similar to that of Uranus.

Front

What is the main difference between inner and outer planets?

Back

Inner planets are rocky and solid, while outer planets are gas giants.

Front

Which inner planet has the longest period of revolution and why?

Back

Mars has the longest period of revolution because it is farthest from the Sun.

Front

What is the atmosphere like on inner planets?

Back

Inner planets generally have thinner atmospheres compared to outer planets.

Front

What are the outer planets?

Back

The outer planets are Jupiter, Saturn, Uranus, and Neptune. They are gas giants.

Front

Which planet is closest to the Sun?

Back

Mercury is the closest planet to the Sun.

Front

What is unique about Venus's rotation?

Back

Venus has a very slow rotation, which is opposite to most planets.