C/2017 K2 (泛星彗星)

註解
外部連結

• [http://iopscience.iop.org/article/10.3847/2041-8213/aa88b4 A Comet Active Beyond the Crystallization Zone]
• [http://www.minorplanetcenter.net/mpec/K17/K17K90.html MPEC 2017-K90 : COMET C/2017 K2 (PANSTARRS)]
• [http://hubblesite.org/news_release/news/2017-40 NASA's Hubble Observes the Farthest Active Inbound Comet Yet Seen]
• [https://arxiv.org/abs/1802.10380 Note on the dynamical evolution of C/2017 K2 PANSTARRS] (arXiv 2018)
• [https://twitter.com/WierzchosKacper/status/1297040076690489344 C/2017 K2 (PANSTARRS) motion as seen by Catalina Sky Survey] 22 August 2020