What is unusual about the asteroid Mathilde, which was studied and photographed by the NEAR spacecraft (See Figure 15-7 of Universe, 11th ed.)?

A)It has almost no craters visible anywhere on its surface.
B)It has a much higher mass for its volume than any other known asteroid.
C)It is not much denser than water.
D)It has a very bright surface, possibly caused by fresh material thrown out by impacts.

Question

What is unusual about the asteroid Mathilde, which was studied and photographed by the NEAR spacecraft (See Figure 15-7 of Universe, 11th ed.)?
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A)It has almost no craters visible anywhere on its surface. 
B)It has a much higher mass for its volume than any other known asteroid. 
C)It is not much denser than water. 
D)It has a very bright surface, possibly caused by fresh material thrown out by impacts.

Quizplus · Accepted Answer

The asteroid Mathilde is not much denser than water, which is unusual for an asteroid.

What Is Unusual About the Asteroid Mathilde, Which Was Studied