How can we determine the reflectivity of an asteroid?
A)by taking a photograph of it
B)by measuring its mass and radius
C)by comparing its brightness in visible light to its brightness in infrared light
D)by where it is located in the asteroid belt

Question

Quizplus · Accepted Answer

Reflectivity, or albedo, can be determined by comparing the brightness of an asteroid in visible light to its brightness in infrared light. This comparison allows scientists to determine how much of the sunlight the asteroid reflects back into space.

How Can We Determine the Reflectivity of an Asteroid