quasars

1. The most distant galaxies seen from the Earth , believed to be the first stage in the evolution of galaxies. The name is short for “quasi-stellar radio source.”

Example Sentences

MIT astronomers have observed the elusive starlight surrounding some of the earliest quasars in the universe.

From Science Daily

At a certain point, light from typical galaxies is too faint, so researchers turn to quasars, extremely distant, bright galactic cores with black holes at their centers.

From Science Daily

Called quasars, the gas-gobbling black holes are, ironically, some of the universe's brightest objects.

From Science Daily

These SMBHs are called quasars and are among the brightest objects in the Universe.

From Science Daily

The black holes powering quasars collect matter from their surroundings in a process so energetic that it emits vast amounts of light.

From Science Daily