| 41. | Some of the gaps are caused by moons and moonlets clearing their orbit of small-size material by gravitational attraction.
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| 42. | Measuring the mass ( by measuring gravitational attraction ) of the objects near them gives their individual rest mass.
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| 43. | You might think that the higher mass and hence gravitational attraction on Earth would lead to a greater density.
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| 44. | He tried to construct a theoretical basis for an inverse square law of gravitational attraction arising from Cartesian vortices.
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| 45. | Why does the gravitational attraction between two bodies depend on their masses but not what they are made from?
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| 46. | Brown dwarfs, whose energy comes from gravitational attraction alone, cool as they age and so progress to later spectral types.
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| 47. | This is probably due to the gravitational attraction between our galaxy and a concentration of mass like the Great Attractor.
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| 48. | Until several years ago, scientists were all but certain that the gravitational attraction among the galaxies would slow the expansion.
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| 49. | The horseshoe orbit arises because the gravitational attraction of the Earth changes the shape of the elliptical orbit of the asteroid.
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| 50. | Ever since, Mars has exerted a pull on our imaginations greater than the gravitational attraction that will eventually lead us there.
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