English

Noun

double quasar ‎(plural double quasars)

1. (astronomy) Two quasars which form a system, such that they gravitationally interact, or are part of the same cluster of galaxies; a binary quasar.
2. (astronomy) Two quasars that appear to be paired when seen in an image, either because they orbit one another (binary quasars) or happen to be in the same line of sight even though they are separated by a great distance.

Related terms

• double star
• double planet

See also

• binary quasar
• twin quasar