In Astronomy
- Dark star (Newtonian mechanics), a theoretical star that has a surface escape velocity that equals or exceeds the speed of light
- Dark star (dark matter), a theoretical star heated by dark matter annihilation in the early universe
- Dark energy star, a hypothetical alternative to black holes
- Black star (semiclassical gravity), a theoretical star built using semiclassical gravity as an alternative to a black hole
- Black hole, any region of space time where escape to the outside universe is impossible
- Black dwarf, a type of degenerate dwarf star, specifically, a cold white dwarf
Read more about this topic: Black Star
Famous quotes containing the word astronomy:
“It is noticed, that the consideration of the great periods and spaces of astronomy induces a dignity of mind, and an indifference to death.”
—Ralph Waldo Emerson (1803–1882)