Sharpless 140 is an H II region and emission nebula in the Cepheus constellation,[2] 3,000 light years from the Solar System.[1] It is part of the Cepheus bubble.[3] The surface of the nebula's clouds primarily consists of polycyclic aromatic hydrocarbons.[4]

See also

References

  1. ^ a b c d "Stellar Nursery Sharpless 140". www.spitzer.caltech.edu. Retrieved 2024-09-07.
  2. ^ a b c info@noirlab.edu. "Emission Nebula Sh2-140". www.noirlab.edu. Retrieved 2024-09-07.
  3. ^ a b "Sh 2-140". galaxymap.org. Retrieved 2024-09-07.
  4. ^ "APOD: 2004 May 20 - Sharpless 140". apod.nasa.gov. Retrieved 2024-09-07.
Allikas: https://en.wikipedia.org/wiki/Sh_2-140
No tags for this post.