The planets Hox and Blox are near each other in the Dorgon system. The Dorgons have very advanced technology, and a Dorgon scientist wants to increase the pull of gravity between the two planets.Which proposals would the scientist make to accomplish this goal? Check all that apply.

The gravitational force between two planets increases when the distance between them decreases, so decreasing the distance between Hox and Blox would increase their pull. The force also increases if either planet’s mass increases, so increasing the mass of Hox or Blox would help. Increasing the distance or decreasing either planet’s mass would instead weaken the gravitational pull.

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