dark flow

English

Etymology

From dark (“hidden”) +‎ flow. From the motion of galaxy clusters due to a hidden influence, possibly from beyond the horizon of the observable universe.

Noun

dark flow (countable and uncountable, plural dark flows)

1. (astrophysics) A possible non-random component of the peculiar velocity of galaxy clusters.

See also

• axis of evil
• dark matter
• dark energy
• dark sector
• Hubble flow