Multiple Choice
According to general relativity, why does Earth orbit the Sun?
A) Matter contains quarks, and Earth and the Sun attract each other with the "color force" between their quarks.
B) Space around the Sun is curved, and Earth follows a geodesic in this curved space.
C) The Sun exerts a gravitational force on Earth across empty space.
D) Earth and the Sun are continually exchanging photons of light in a way that holds Earth in orbit.
Correct Answer:

Verified
Correct Answer:
Verified
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