Astrophysics, Cosmology & Relativity

4 terms

The prevailing cosmological model describing the universe as originating from an extremely hot, dense state ~13.8 billion years ago and…

A stellar system consisting of two gravitationally bound stars orbiting around their common center of mass.

A region of spacetime where gravitational acceleration is so intense that nothing, including light, can escape beyond its event horizon.

A substellar object intermediate in mass between giant gas planets and low-mass stars, incapable of sustaining stable core hydrogen fusion.