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- Barnard_68 abstract "Barnard 68 is a molecular cloud, dark absorption nebula or Bok globule, towards the southern constellation Ophiuchus and well within our own galaxy at a distance of about 500 light-years, so close that not a single star can be seen between it and the Sun. American astronomer Edward Emerson Barnard added this nebula to his catalog of dark nebulae in 1919. He published his catalog in 1927, at which stage it included some 350 objects. Because of its opacity, its interior is extremely cold, its temperature being about 16 K (−257 °C). Its mass is about twice that of the Sun and it measures about half a light-year across.".
- Barnard_68 thumbnail Barnard_68.jpg?width=300.
- Barnard_68 wikiPageExternalLink eso0102.
- Barnard_68 wikiPageExternalLink theblackcloud.html.
- Barnard_68 wikiPageExternalLink aa2297.right.html.
- Barnard_68 wikiPageExternalLink dn22248-astrophile-lucky-strike-turns-a-dark-cloud-into-a-star.html.
- Barnard_68 wikiPageID "20594075".
- Barnard_68 wikiPageRevisionID "601975727".
- Barnard_68 constellation Ophiuchus.
- Barnard_68 distLy "500.0".
- Barnard_68 epoch Epoch_(astronomy).
- Barnard_68 hasPhotoCollection Barnard_68.
- Barnard_68 name "Barnard 68".
- Barnard_68 names "Barnard 68 , LDN 57".
- Barnard_68 radiusLy "0.25".
- Barnard_68 type Bok_globule.
- Barnard_68 type Dark_nebula.
- Barnard_68 type Molecular_cloud.
- Barnard_68 subject Category:Barnard_objects.
- Barnard_68 subject Category:Dark_nebulae.
- Barnard_68 subject Category:Ophiuchus_(constellation).
- Barnard_68 comment "Barnard 68 is a molecular cloud, dark absorption nebula or Bok globule, towards the southern constellation Ophiuchus and well within our own galaxy at a distance of about 500 light-years, so close that not a single star can be seen between it and the Sun. American astronomer Edward Emerson Barnard added this nebula to his catalog of dark nebulae in 1919. He published his catalog in 1927, at which stage it included some 350 objects.".
- Barnard_68 label "Barnard 68".
- Barnard_68 label "Barnard 68".
- Barnard_68 label "Barnard 68".
- Barnard_68 label "Barnard 68".
- Barnard_68 label "Barnard 68".
- Barnard_68 label "بيرنارد 68".
- Barnard_68 label "巴纳德 68".
- Barnard_68 sameAs Barnard_68.
- Barnard_68 sameAs Barnard_68.
- Barnard_68 sameAs Barnard_68.
- Barnard_68 sameAs Barnard_68.
- Barnard_68 sameAs m.051xb2m.
- Barnard_68 sameAs Q570240.
- Barnard_68 sameAs Q570240.
- Barnard_68 wasDerivedFrom Barnard_68?oldid=601975727.
- Barnard_68 depiction Barnard_68.jpg.
- Barnard_68 isPrimaryTopicOf Barnard_68.