Inner Planets

Front

What are the inner planets?

Back

The inner planets are Mercury, Venus, Earth, and Mars. They are located closest to the Sun.

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 on its surface.

Front

What is the hottest planet in the inner solar system?

Back

Venus is the hottest planet in the inner solar system, with surface temperatures reaching up to 900°F (475°C).

Front

Which inner planet has the most moons?

Back

Mars has two moons named Phobos and Deimos.

Front

What characteristic do all inner planets share?

Back

All inner planets have a solid rocky surface.

Front

Which planet is the third from the Sun?

Back

Earth is the third planet from the Sun.

Front

What is the atmosphere of Venus like?

Back

Venus has a thick, toxic atmosphere primarily composed of carbon dioxide, with clouds of sulfuric acid.

Front

Which planet is closest to the Sun?

Back

Mercury is the closest planet to the Sun.

Front

What is unique about Mercury's rotation?

Back

Mercury has a very slow rotation, taking about 59 Earth days to complete one rotation on its axis.

Front

How long does it take Mars to orbit the Sun?

Back

Mars takes about 687 Earth days to complete one orbit around the Sun.