蜻蜓44星系

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參考資料

1. ^ ^{1.0 1.1 1.2} Van Dokkum, Pieter; et al. Spectroscopic confirmation of the existence of large, diffuse galaxies in the coma cluster. The Astrophysical Journal Letters. 1 May 2015 [1 September 2016]. （原始内容存档于2021-03-30）.  引文格式1维护：显式使用等标签 (link)
2. ^ Scientists discover the fluffiest galaxies. phys.org. 14 May 2015 [2016-08-31]. （原始内容存档于2016-08-26）. 
3. ^ Van Dokkum, Pieter; et al. Forty-seven milky way-sized, extremely diffuse galaxies in the Coma-Cluster. The Astrophysical Journal Letters. 7 January 2015 [31 August 2016]. （原始内容存档于2017-06-06）.  引文格式1维护：显式使用等标签 (link)
4. ^ Dragonfly 44: Ultra-Diffuse Galaxy Made Mostly of Dark Matter. Aug 2016. [2016-08-31]. （原始内容存档于2020-11-12）. 
5. ^ Crosswell, Ken. The Milky Way’s dark twin revealed. Nature News. 26 July 2016 [30 July 2016]. （原始内容存档于2016-10-13）. 
6. ^ Rachel Feltman. A new class of galaxy has been discovered, one made almost entirely of dark matter. Washington Post. 25 August 2016 [2016-11-01]. （原始内容存档于2020-12-02）. 
7. ^ Van Dokkum, Pieter; et al. A High Stellar Velocity Dispersion and ~100 Globular Clusters For The Ultra-Diffuse Galaxy Dragonfly 44. The Astrophysical Journal Letters. 25 August 2016 [27 August 2016]. （原始内容存档于2019-08-30）.  引文格式1维护：显式使用等标签 (link)
8. ^ Hall, Shannon. Ghost galaxy is 99.99 per cent dark matter with almost no stars. New Scientist. 25 August 2016 [27 August 2016]. （原始内容存档于2019-04-11）. 
9. ^ Feltman, Rachael. A new class of galaxy has been discovered, one made almost entirely of dark matter. The Washington Post. 26 August 2016 [26 August 2016]. （原始内容存档于2018-04-02）.