Multiple Choice
How is the mass of the Galaxy estimated?
A) By observing the bending of light from distant galaxies as it passes near the Milky Way center
B) By observing its movement toward neighboring galaxies due to gravitational attraction
C) By counting stars and assuming an average stellar mass
D) By applying Newton's extension of Kepler's laws to the motion of the Sun and other stars
Correct Answer:

Verified
Correct Answer:
Verified
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