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| In ], '''voids''' are the empty spaces between ], some of the largest-scale structures in the ] that contain hardly any, or no galaxies. Voids typically have a diameter of 11 to 150 ]; particularly large voids, defined by the absence of rich ]s, are sometimes called '''supervoids'''. | In ], '''voids''' are the empty spaces between ], some of the largest-scale structures in the ] that contain hardly any, or no galaxies. | ||
| Voids typically have a diameter of 11 to 150 ]; particularly large voids, defined by the absence of rich ]s, are sometimes called '''supervoids'''. | |||
| A ] census ("''The structure of the Universe traced by rich clusters of galaxies.''", see References) lists a total of 27 supervoids with a distance of up to 740 Mpc; a selection is given below: | A ] census ("''The structure of the Universe traced by rich clusters of galaxies.''", see References) lists a total of 27 supervoids with a distance of up to 740 Mpc; a selection is given below: | ||
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| </table> | </table> | ||
| ⚫ | == External links == | ||
| ⚫ | == External links == | ||
| * | * | ||
| ⚫ | == References == | ||
| ⚫ | == References == | ||
| # U. Lindner, J. Einasto, M. Einasto, W. Freudling, K. Fricke, E. Tago: ''The structure of supervoids. I. Void hierarchy in the Northern Local Supervoid.'', Astron. Astrophys., v.301, p.329 (1995) | # U. Lindner, J. Einasto, M. Einasto, W. Freudling, K. Fricke, E. Tago: ''The structure of supervoids. I. Void hierarchy in the Northern Local Supervoid.'', Astron. Astrophys., v.301, p.329 (1995) | ||
| # M. Einasto, J. Einasto, E. Tago, G. B. Dalton, H Andernach: ''The structure of the Universe traced by rich clusters of galaxies.'', Mon. Not. R. Astron. Soc. 269, 301 (1994) | # M. Einasto, J. Einasto, E. Tago, G. B. Dalton, H Andernach: ''The structure of the Universe traced by rich clusters of galaxies.'', Mon. Not. R. Astron. Soc. 269, 301 (1994) | ||
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Revision as of 21:59, 14 June 2005
In astronomy, voids are the empty spaces between filaments, some of the largest-scale structures in the Universe that contain hardly any, or no galaxies. Voids typically have a diameter of 11 to 150 Mpc; particularly large voids, defined by the absence of rich superclusters, are sometimes called supervoids.
A 1994 census ("The structure of the Universe traced by rich clusters of galaxies.", see References) lists a total of 27 supervoids with a distance of up to 740 Mpc; a selection is given below:
| # | Name | Distance (Mpc) | Diameter (Mpc) |
|---|---|---|---|
| 1 | 188 | 124 | |
| 5 | 182 | 130 | |
| 9 | Southern Local Supervoid | 135 | 158 |
| 18 | 168 | 144 | |
| 19 | 168 | 152 | |
| 20 | Bootes Void | 304 | 110 |
| 21 | 201 | 163 | |
| 24 | Northern Local Supervoid | 86 | 146 |
External links
References
- U. Lindner, J. Einasto, M. Einasto, W. Freudling, K. Fricke, E. Tago: The structure of supervoids. I. Void hierarchy in the Northern Local Supervoid., Astron. Astrophys., v.301, p.329 (1995)
- M. Einasto, J. Einasto, E. Tago, G. B. Dalton, H Andernach: The structure of the Universe traced by rich clusters of galaxies., Mon. Not. R. Astron. Soc. 269, 301 (1994)