Infrared dark clouds

Alternative definitions (2), class: vernacular (0)
Term: Infrared dark clouds

A dark cloud characterized by a visual extinction A_v ≥ 10^2 mag. Infrared dark clouds are opaque even at 8 μm, and can be seen in silhouette against the bright diffuse mid-infrared emission in the interstellar medium.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan