According to Newton's Law of Gravity, Why Does Earth Orbit

question 9

Multiple Choice

According to Newton's law of gravity, why does Earth orbit the Sun?

• A) The Sun exerts a gravitational force on Earth across empty space.
• B) Earth and the Sun are continually exchanging photons of light in a way that holds Earth in orbit.
• C) Matter contains quarks, and Earth and the Sun attract each other with the "color force" between their quarks.
• D) Space around the Sun is curved.

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