The Inner Planets

Front

What are the inner planets?

Back

The inner planets are Mercury, Venus, Earth, and Mars. They are rocky and located closer 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 atmosphere of Venus like?

Back

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

Front

Which inner planet is closest to the Sun?

Back

Mercury is the closest planet to the Sun.

Front

What unique feature does Earth have compared to other inner planets?

Back

Earth is the only inner planet known to support life and has liquid water on its surface.

Front

How do the seasons on Mars compare to Earth?

Back

Mars has seasons similar to Earth due to its axial tilt, but they are about twice as long because Mars takes longer to orbit the Sun.

Front

Which inner planet has no moons?

Back

Mercury has no moons.

Front

What is the largest of the inner planets?

Back

Earth is the largest of the inner planets.

Front

Which inner planet is the hottest?

Back

Venus is the hottest inner planet due to its thick atmosphere trapping heat.

Front

What is the main component of Mercury's surface?

Back

Mercury's surface is primarily composed of rocky material and has many craters.