If we know the size of an asteroid, we can determine its density by
A) radar mapping.
B) determining its mass from its gravitational pull on a spacecraft, satellite, or planet.
C) looking for brightness variations as it rotates.
D) comparing its reflectivity to the amount of light it reflects.
E) spectroscopic imaging.
A) radar mapping.
B) determining its mass from its gravitational pull on a spacecraft, satellite, or planet.
C) looking for brightness variations as it rotates.
D) comparing its reflectivity to the amount of light it reflects.
E) spectroscopic imaging.