In the news

Steckloff, Sarid, Volk, et al. (2020): "P/2019 LD2 (ATLAS): An Active Centaur in Imminent Transition to the Jupiter Family"

"In a first, astronomers spotted a space rock turning into a comet" Science News, August 2020

"A ‘Front-Row Seat’ to the Birth of a Comet" New York Times, December 2020


Gemini Observatory/Charles Schambeau/Kareta et al.


Artist's rendition of what 29P/SW1 would look like as an inner solar system comet (image: Heather Roper/University of Arizona)

Malhotra, Volk, & Wang (2016): "Corralling a distant planet with extreme resonant Kuiper belt objects"

"More evidence for ninth planet on solar system's fringes" University of Arizona press release, October 2016

"Planet Nine update: Possible resonances beyond the Kuiper belt?" The Planetary Society, March 2016

"An update on Planet 9" AAS Nova, June 2016

"UA scientists at forefront of search for Planet 9" Tucson News Now, October 2016