gravisphere

[ grav-uh-sfeer ]

noun

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

Word History and Origins

Origin of gravisphere¹

gravi(ty) + sphere

Example Sentences

He was thankful they were not required to wear their heavy pressure suits until well into the moon's gravisphere.

From Project Gutenberg

Drone Baker had entered the moon's gravisphere at the precise time spelled out by the earth computers.

From Project Gutenberg

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

From Project Gutenberg

Shortly after entering the moon's gravisphere it began to accelerate again.

From Project Gutenberg