infrared galaxy

noun

Astronomy.

a galaxy that radiates strongly in the infrared portion of the electromagnetic spectrum.

Discover More

Word History and Origins

Origin of infrared galaxy¹

First recorded in 1965–70

Discover More

Example Sentences

Examples have not been reviewed.

A prime example of this phenomenon is the nearest ultraluminous infrared galaxy, Arp 220, which is located 250 million light-years away.

From

After a ponderous chapter on infrared galaxy counts come quasars and active galactic nuclei, galactic clusters, the history of star-formation and, finally, Spitzer’s role in estimating the redshifts of the most distant galaxies, a remarkable achievement for a telescope of its size.

From

infrared astronomy infrared photography

Browse