As shown in the above graph, an M-type asteroid is ____________ and ____________ compared to a C-type or an S-type.
A) dark, gray
B) red, dark
C) bright, red
D) gray, bright

Question

As shown in the above graph, an M-type asteroid is ____________ and ____________ compared to a C-type or an S-type.
A) dark, gray 
B) red, dark 
C) bright, red 
D) gray, bright

Quizplus · Accepted Answer

The graph shows that M-type asteroids have a higher albedo (reflectivity) than C-type or S-type asteroids, indicating that they are brighter. Additionally, M-type asteroids have a lower reflectance in the red part of the spectrum compared to the other types, which suggests that they are not as red as some of the others. Therefore, the best choice is D, gray and bright.

As Shown in the Above Graph, an M-Type Asteroid Is