Jump to content

Diffuse interstellar bands

From Wikipedia, the free encyclopedia
This is an old revision of this page, as edited by Worldtraveller (talk | contribs) at 18:04, 12 January 2005. The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)

Diffuse interstellar bands (DIBs) are absorption features seen in the spectra of astronomica objects in the Galaxy. They are caused by the absorption of light by the interstellar medium. About 100 bands are seen, in ultraviolet, visible and infrared wavelengths.

The origin of DIBs was unknown and hotly disputed for many years, but seems likely to be due mostly to polycyclic aromatic hydrocarbons.

Retrieved from "https://en.wikipedia.org/w/index.php?title=Diffuse_interstellar_bands&oldid=9316068"