A Little Cool, A Little Dark September 8, 2022 / animar64 Artist Unknown Surface of TRAPPIST-1fCalifornia Institute of Technology, Jet Propulsion Laboratory2017-02-22 Share this: Email a link to a friend (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on LinkedIn (Opens in new window) LinkedIn Share on Tumblr (Opens in new window) Tumblr Share on Pinterest (Opens in new window) Pinterest Print (Opens in new window) Print Share on Reddit (Opens in new window) Reddit Share on Bluesky (Opens in new window) Bluesky Like this:Like Loading...