Infrared cirrus

Infrared cirrus or galactic cirrus are galactic filamentary structures seen in space over most of the sky that emit far-infrared light. The name is given because the structures are cloud-like in appearance.^[1] These structures were first detected by the Infrared Astronomy Satellite at wavelengths of 60 and 100 micrometres.

See also

• Galaxy filament
• Cosmic infrared background

References

External links

• Molecular Hydrogen in Infrared Cirrus, Kristen Gillmon, J. Michael Shull, 2006 Abstract
  • PDF Paper
• The Physics of Infrared Cirrus, C. Darren Dowell, Roger H. Hildebrand, Alexandre Lazarian, Michael W. Werner, Ellen Zweibel

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Nebulae

Visible nebula

• Dark nebula
• Diffuse nebula
  • Emission nebula
    • Planetary nebula
    • Supernova remnant
    • Nova remnant
    • H II region
  • Reflection nebula
    • Variable nebula
    • Protoplanetary nebula

Pre-stellar nebulae

• Giant molecular cloud
• Bok globule
• Evaporating gaseous globule
• Solar nebula

Stellar nebula

• Nova remnant
• Protoplanetary nebula
• Wolf–Rayet nebula
• Integrated Flux Nebula

Post-stellar nebulae

• Planetary nebula
• Supernova remnant
• Pulsar wind nebula
• Supershell

Clouds

• Interstellar cloud
  • Molecular cloud
  • Infrared cirrus
• High-velocity cloud
• H I region

Morphology

• Bipolar nebula
• Pinwheel nebula

Intergalactic blobs

• Lyman-alpha blob

Lists

• Diffuse
• Largest Nebulae
• Planetary (PNe)
• Protoplanetary (PPNe)
• Supernova remnants (SNRs)

Related

• Cometary knot

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