Terrestrial Planets Flashcard

Front

What are terrestrial planets?

Back

Terrestrial planets are rocky planets that are closer to the sun, including Mercury, Venus, Earth, and Mars.

Front

Which planet has evidence of past liquid water?

Back

Mars has evidence that liquid water once flowed on its surface.

Front

What is the primary component of Venus's atmosphere?

Back

The atmosphere of Venus is composed of 96% carbon dioxide.

Front

What is a runaway greenhouse effect?

Back

A runaway greenhouse effect occurs when a planet's atmosphere traps heat, leading to extreme temperatures, as seen on Venus.

Front

Which planet is known for its extremely hot temperatures, even at night?

Back

Venus is known for its extremely hot temperatures, remaining hot throughout the night.

Front

What makes Venus appear very bright from Earth?

Back

Venus appears very bright from Earth because it is covered in highly reflective clouds.

Front

What is the order of terrestrial planets from closest to the sun?

Back

The order of terrestrial planets from closest to the sun is Mercury, Venus, Earth, Mars.

Front

What is the surface temperature of Venus?

Back

The surface temperature of Venus can reach up to 900 degrees Fahrenheit (475 degrees Celsius).

Front

Which planet has the most similar size and structure to Earth?

Back

Venus is often referred to as Earth's 'sister planet' due to its similar size and structure.

Front

What is the significance of Mars's polar ice caps?

Back

Mars's polar ice caps indicate the presence of water ice, suggesting past water activity on the planet.