new Return of the King poster!
The spiralling cloud formation seen in this photograph by Antarctic glacier scientist Michael Studingeris is known as a lenticular cloud. It forms when a wave of air crashes over a topographic barrier, and in this case it’s Mount Discovery, a volcano about 70 km southwest of McMurdo station in Antarctica and east of Scott Base.
Read more: http://bit.ly/1hE8h7b via Discovery News
Other half of the coffee photo. @corieand