gravitational pull 4.87   Its gravitational pull has long proven irresistible.
  gravitational force 2.90   Strong gravitational forces pulled the other way.
  gravitational field 2.04   Now there was new prey for the clashing gravitational fields.
  gravitational effect 1.38   Marsden says there is the additional direct gravitational effect of Jupiter.
  gravitational attraction 0.92   Their gravitational attraction would thus curve up the universe to infinitely small size.
  gravitational influence 0.92   There they drifted free of the gravitational influence of any single galaxy.
  gravitational tug 0.59   They regard such wobbles as responses to the gravitational tugs of planets orbiting around them.
  gravitational lens 0.33   These were gravitational lenses.
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