Ring galaxy (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ring galaxy" in English language version.

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aanda.org

arxiv.org

bigthink.com

caltech.edu

ned.ipac.caltech.edu

doi.org

eso.org

nasa.gov

apod.nasa.gov

  • Nemiroff, R.; Bonnell, J., eds. (September 9, 2002). "Hoag's Object: A Strange Ring Galaxy". Astronomy Picture of the Day. NASA. Retrieved March 31, 2012.

spacetelescope.org

worldcat.org

search.worldcat.org