Mercury, Venus, and Mars

Front

Which country has landed several spacecraft on Venus?

Back

Former Soviet Union.

Front

Why is Venus hotter than any other planet?

Back

Gases in the atmosphere trap infrared radiation from its surface.

Front

What are the names of Mars' two moons?

Back

Phobos and Deimos.

Front

Which planet is the hottest in our solar system?

Back

Venus.

Front

How long is a Martian day?

Back

24 hours 39 minutes.

Front

What is the primary component of Venus' atmosphere?

Back

Carbon dioxide.

Front

What is the surface temperature of Venus?

Back

Approximately 467 degrees Celsius.

Front

What is the main reason Mercury has extreme temperature variations?

Back

It has a very thin atmosphere.

Front

What is the distance of Mars from the Sun compared to Earth?

Back

Mars is about 1.5 times farther from the Sun than Earth.

Front

What is the significance of Olympus Mons on Mars?

Back

It is the tallest volcano and mountain in the solar system.