Mercury and Venus

Front

What is the temperature range on Mercury?

Back

-279 to 800 Degrees F

Front

What does Mercury lack in its atmosphere?

Back

Mercury has no atmosphere.

Front

Why does Venus not have a magnetic field despite its Earth-like size and composition?

Back

Venus spins or rotates on its axis way too slow.

Front

Which planetary surfaces show the most cratering?

Back

The oldest surfaces show the most cratering.

Front

What significant discovery was made by the MESSENGER space probe regarding Mercury?

Back

Water ice at the poles (like the Moon).

Front

What is the primary reason for Mercury's extreme temperature fluctuations?

Back

Mercury has a very thin atmosphere that cannot retain heat.

Front

How does the rotation period of Venus compare to that of Earth?

Back

Venus has a much slower rotation period than Earth.

Front

What is the main component of Venus's atmosphere?

Back

Carbon dioxide is the main component of Venus's atmosphere.

Front

What geological feature is common on Mercury due to its lack of atmosphere?

Back

Craters are common on Mercury due to its lack of atmosphere.

Front

What is the significance of the MESSENGER mission?

Back

The MESSENGER mission provided new insights into Mercury's geology and surface composition.