Almost all we know about Mercury has come from:
A)telescopic observations from Earth near greatest elongations.
B)radar imaging of its rugged surface.
C)the Mariner 10 and Messenger missions.
D)observations of impacts on Mercury's surface.
E)the Hubble Space Telescope's high resolution images.

Question

Quizplus · Accepted Answer

The Mariner 10 and Messenger missions have provided almost all of the knowledge that we have about the planet Mercury. Almost all the knowledge we have about Mercury has been acquired through the two missions sent by NASA, the Mariner 10 and Messenger missions.

Almost All We Know About Mercury Has Come From