gravity field 0.46   We should also recall that asteroids have very weak gravity fields.
  gravity map 0.46   In general the gravity map matches topography only over relatively short horizontal distances, a hundred miles or so.
  gravity bomb 0.39   The gravity bombs create a wide, indiscriminate swath of destruction.
  gravity anomaly 0.33   Correction for altitude alone gives the free-air gravity anomaly.
  gravity measurement 0.26   The satellite yielded the most comprehensive set of gravity measurements ever.
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