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{{Short description|Large, comparatively empty region of space}} |
{{Short description|Large, comparatively empty region of space}} |
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[[File:Kbc_void.png|thumb|Artist's conception of the KBC Void and the [[Galaxy_filament|filaments]] and walls that surround it.]] |
[[File:Kbc_void.png|thumb|Artist's conception of the KBC Void and the [[Galaxy_filament|filaments]] and walls that surround it.]] |
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Revision as of 23:43, 4 March 2022
 | A request that this article title be changed to Local Hole is under discussion . Please do not move this article until the discussion is closed. |
The KBC Void (or Local Hole) is an immense, comparatively empty region of space, named after astronomers Ryan Keenan, Amy Barger, and Lennox Cowie, who studied it in 2013.[1] The existence of a local underdensity has been the subject of many pieces of literature and research articles.[2][3]
The underdensity is proposed to be roughly spherical, approximately 2 billion light-years (600 megaparsecs, Mpc) in diameter. As with other voids, it is not completely empty but contains the Milky Way, the Local Group, and a larger part of the Laniakea Supercluster. The Milky Way is within a few hundred million light-years of the void's center.[4]
The existence of supervoids have been shown to be consistent with the
MOND gravity rather than general relativity.[8]
See also
- Void (astronomy)
- Giant Void
- Local Void
- Observable universe
- List of largest voids
- Hubble bubble (astronomy)
- Northern Local Supervoid
- Southern Local Supervoid
References
- S2CID 118433293.
- S2CID 18260737.
- S2CID 2115068.
- ^ Siegel, Ethan. "We're Way Below Average! Astronomers Say Milky Way Resides In A Great Cosmic Void". Forbes. Retrieved 2017-06-09.
- S2CID 119286482.)
{{cite journal}}: CS1 maint: unflagged free DOI (link - ISSN 1745-3925.
- S2CID 119095484.)
{{cite journal}}: CS1 maint: unflagged free DOI (link - ISSN 0035-8711.
Further reading
- Hoscheit, Benjamin L.; Barger, Amy J. (2018-02-09). "The KBC Void: Consistency with Supernovae Type Ia and the Kinematic SZ Effect in a ΛLTB Model". The Astrophysical Journal. 854 (1): 46. S2CID 119220508.)
{{cite journal}}: CS1 maint: unflagged free DOI (link
| Included | Earth → Solar System → Local Interstellar Cloud → Local Bubble → Gould Belt → Orion Arm → Milky Way → Milky Way subgroup → Local Group → Local Sheet → Virgo Supercluster → Laniakea Supercluster → Local Hole → Observable universe → Universe Each arrow (→) may be read as "within" or "part of". |
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