gravisphere

[ grav-uh-sfeer ]
/ ˈgræv əˌsfɪər /
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noun

the area in which the gravitational force of a celestial body is predominant.

Origin of gravisphere

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for gravisphere

  • Some would be caught in the gravisphere of planets, would crash down into strange worlds.

    First on the Moon|Jeff Sutton
  • He was thankful they were not required to wear their heavy pressure suits until well into the moon's gravisphere.

    First on the Moon|Jeff Sutton
  • Shortly after entering the moon's gravisphere it began to accelerate again.

    First on the Moon|Jeff Sutton
  • Drone Baker had entered the moon's gravisphere at the precise time spelled out by the earth computers.

    First on the Moon|Jeff Sutton