Cometary Science Newsletter Issue 75 June 2021 https://www.cometarysciencenews.org/ - Refereed Journal Articles + Six Outbursts of Comet 46P/Wirtanen, Kelley et al. + All Comets are Somewhat Hyperactive and the Implications Thereof, Sunshine and Feaga + Discovery of Carbon Monoxide in Distant Comet C/2017 K2 (PANSTARRS), Yang et al. + Monitoring the negative polarization in Comet 29P/Schwassmann–Wachmann during quiescence, Kochergin et al. + Observations of distant comet C/2011 KP36 (Spacewatch): Photometry, spectroscopy, and polarimetry, Ivanova et al. + An Update of the Correlation between Polarimetric and Thermal Properties of Cometary Dust, Y. G. Kwon et al. Read this issue online: https://www.cometarysciencenews.org/issues/issue-0075.html Submit your items for the next CSN: https://www.cometarysciencenews.org/submit/ Subscribe/unsubscribe to email notifications: https://www.cometarysciencenews.org/subscribe/ -- The Cometary Science Newsletter is dedicated to sharing and furthering cometary science. CSN invites contributions from the astronomical and planetary science communities, including abstracts of papers accepted for publication in refereed journals, thesis abstracts, timely notes on particular comets, conference announcements, job announcements, or other relevant and brief scientific communications. Relevant topics include observational, theoretical, and laboratory work concerning comets, but also may include studies of associated phenomena, such as Centaurs, asteroid-comet transition objects, debris disks, and protoplanetary disks. You received this email because you are subscribed to the Cometary Science Newsletter (COMETARY-SCIENCE-NEWS) mailing list. If you would like to unsubscribe from this list, simply send an email to [log in to unmask] with the message signoff COMETARY-SCIENCE-NEWS in the body.