Pollux (star)

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Pollux is an orange giant star. It is the brightest star in the Gemini constellation. It's diameter is over 11,000,000 kilometres (6,800,000 miles).[1] Once a type A star, Pollux has used all the hydrogen in its core and expanded to become a giant.[2]

References[change | change source]

  1. Döllinger, M. P.; Paulson, D. B.; Esposito, M.; Hartmann, M.; Yang, S.; Walker, G. a. H.; Saar, S. H.; Guenther, E. W.; Endl, M.; Cochran, W. D.; Hatzes, A. P. (1 October 2006). "Confirmation of the planet hypothesis for the long-period radial velocity variations of β Geminorum". Astronomy & Astrophysics. 457 (1): 335–341. arXiv:astro-ph/0606517. Bibcode:2006A&A...457..335H. doi:10.1051/0004-6361:20065445. S2CID 14319327 – via www.aanda.org.
  2. Power, J.; Folsom, C. P.; Eck, S. Van; Cabanac, R.; Alecian, E.; Donati, J.-F.; Petit, P.; Roudier, T.; Weiss, W. W.; Catala, C.; Charbonnel, C.; Konstantinova-Antova, R.; Wade, G. A.; Aurière, M. (1 September 2009). "Discovery of a weak magnetic field in the photosphere of the single giant Pollux". Astronomy & Astrophysics. 504 (1): 231–237. arXiv:0907.1423. Bibcode:2009A&A...504..231A. doi:10.1051/0004-6361/200912050. S2CID 14295272 – via www.aanda.org.