22.9 & 22.10 Flashcard: Mercury and Venus

Front

What is the orbital alignment of Venus and Earth that leads to pairs of Venus transits?

Back

Every eight years.

Front

How does the diameter of Venus compare to that of Earth?

Back

About the same as Earth's.

Front

Which planet is closest to the Sun?

Back

Mercury.

Front

What causes Venus to be the hottest planet in the solar system?

Back

A runaway greenhouse effect.

Front

What is unique about the naming convention of surface features on Venus?

Back

They are named after women or goddesses of various cultures.

Front

What is the greenhouse effect?

Back

The trapping of the Sun's warmth in a planet's lower atmosphere.

Front

Why is Mercury considered a terrestrial planet?

Back

Because it has a solid, rocky surface.

Front

What is the significance of Venus's slow rotation?

Back

It contributes to extreme temperature differences between day and night.

Front

How does the atmosphere of Venus differ from that of Earth?

Back

Venus has a thick atmosphere rich in carbon dioxide, while Earth's atmosphere is more balanced with oxygen and nitrogen.

Front

What role does volcanic activity play on Venus?

Back

It may contribute to the planet's high surface temperatures and atmospheric composition.