The albedo of Mercury is about 0.1. This means that
A) Mercury reflects 9/10 of the sunlight falling on it.
B) 1/10 of Mercury's surface is cloud-covered.
C) Mercury is visible only 1/10 of the time.
D) Mercury reflects 1/10 of the sunlight falling on it.

Question

Quizplus · Accepted Answer

Albedo is a measure of how much light that hits a surface is reflected without being absorbed. An albedo of 0.1 means that 10% of the sunlight is reflected, which corresponds to option D.

The Albedo of Mercury Is About 0