"Background galaxies" refers to galaxies that are far away and located behind a specific object or region of interest in the sky.
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«background»
«galaxies»
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Sentences with «background galaxies»
- The map was created by using faint background galaxies as light sources, against which gas could be seen by the characteristic absorption features of hydrogen. (keckobservatory.org)
- Some of these galaxies may be foreground or background galaxies in the vicinity of the cluster. (atlasoftheuniverse.com)
- The team managed to combine the data by using background galaxies which did not change position in the 12 years. (sciencedaily.com)
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