Balance between pressure forces and gravitational forces in a star's layers.
the condition in which pressure and gravitational forces in a star or planet are in balance. Without such balance, bodies will either collapse or expand.
The balance between weight of the material pressing downward on a layer in a star and the pressure in that layer. Infrared Cirrus A fine network of filaments covering the sky detected in the far infrared by the IRAS satellite; believed associated with dust in the interstellar medium.