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

a) radar mapping


b) spectroscopic imaging.


c) looking for brightness variations as it rotates


d) comparing its reflectivity to the amount of light it reflects.


e) determining its mass from its gravitational pull on a spacecraft, satellite, or planet.

If we know the size of an asteroid, we can determine its density by?
E. In order to calculate density you need to know volume (size) and mass.
Reply:a.
Reply:e) determining its mass from its gravitational pull on a spacecraft, satellite, or planet.
Reply:E.
Reply:I pick [e]