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Mercury Quiz: The Smallest Planet In Our Solar System

Take this Mercury quiz to test your knowledge about the fascinating planet Mercury! This quiz explores various aspects of Mercury, including its rotation, orbit, temperature extremes, surface features, and more. Through...

Questions: 13 | Attempts: 135 | Last updated: Oct 24, 2025

Sample Question 1
The orbit of Mercury is such that its angular distance from the Sun is never more than 28 degrees. As a consequence:

It can only be seen during full daylight.

It is generally visible during the 2 to 3 hours just after sunset or just before sunrise.

It is generally visible during the 1 to 2 hours just after sunset or just before sunrise.

It can be seen during total solar eclipse.

None of the above

Sample Question 2
The rotation axis of Mercury is almost perfectly at right angles to the plane of its orbit. As a consequence Mercury's seasons:

Are similar to seasons on Earth.

Are more extreme than seasons on Earth.

Are almost non-existent(much less seasonal differences than on Earth).

None of the above

Sample Question 3
Because of "tidal locking" the period of Mercury's rotation on its axis is:

The same as the Moon's revolution period around the Earth(27.3 days)

The same as Mercury's revolution period around the Sun(88.0 days)

2/3 of Mercury's revolution period around the Sun(58.67 days)

Tidal locking only occurs for the Moon's period around the Earth

None of the above