Why would an observer out in space see the moon orbiting the earth rather than the earth orbiting the moon?

A. The earth's gravity pulls on the moon, rather than the moon's gravity pulling on the earth.

B. The moon has much less mass than the earth.

C. The same side of the moon always faces the earth.

D. The same force that pulls an apple to earth pulls the moon toward the earth.

***Not sure! Thanks!!:)

Question

Why would an observer out in space see the moon orbiting the earth rather than the earth orbiting the moon?

A.  The earth's gravity pulls on the moon, rather than the moon's gravity pulling on the earth.

B.  The moon has much less mass than the earth.

C. The same side of the moon always faces the earth.

D. The same force that pulls an apple to earth pulls the moon toward the earth.

***Not sure! Thanks!!:)

michele_laino · Answer

because the moon has a mass which is less than the mass of the earth

anonymous · Answer

D

anonymous · Answer

ahh okay thanks!! :)

michele_laino · Answer

please note that the ratio between masses is equal to the inverse ratio between accelerations

anonymous · Answer

ah okie thank you @Michele_Laino :)

michele_laino · Answer

thank you! @iheartfood