If We Know the Size of an Asteroid,we Can Determine

question 78

Multiple Choice

If we know the size of an asteroid,we can determine its density by

• A)comparing its reflectivity to the amount of light it reflects.
• B)looking for brightness variations as it rotates.
• C)determining its mass from its gravitational pull on a spacecraft,satellite,or planet.
• D)radar mapping.
• E)spectroscopic imaging.

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