Concept
Diffuse Interstellar Bands
Mysterious absorption features in stellar spectra.
Hundreds of broad absorption features in the spectra of reddened stars, attributed to large carbon-bearing molecules whose identities are mostly unknown.
Overview
Hundreds of broad absorption features in the spectra of reddened stars, attributed to large carbon-bearing molecules whose identities are mostly unknown.
See also
Dark Energy
The mysterious force accelerating the universe.
Coronal Gas
Very hot, low-density interstellar plasma.
Warm Neutral Medium (WNM)
Gas, dust, particle, or radiation component of the interstellar medium.
Cold Neutral Medium (CNM)
Gas, dust, particle, or radiation component of the interstellar medium.
Warm Ionized Medium (WIM)
Gas, dust, particle, or radiation component of the interstellar medium.
Hot Ionized Medium (HIM)
Gas, dust, particle, or radiation component of the interstellar medium.