In this phenomenal capture by Deven Stross you see nacreous clouds over the NASA Radome at McMurdo Station on Ross Island in Antarctica. Also known as polar stratospheric clouds they form in the winter polar stratosphere at altitudes of 15,000–25,000 m https://t.co/860mGZo1R7 pic.twitter.com/qsd5r887Ca

— Massimo (@Rainmaker1973) October 21, 2019