Eye of Africa: Astronaut snaps bizarre Sahara desert formation (PHOTOS)
The incredible structure, located in the Sahara desert in Mauritania, has a diameter of 50km (31 miles) and was originally thought to be a meteorite-impact crater. Scientists now believe, however, it was formed through erosion.
The phenomenal circular feature has long been a favorite among space photographers.
The Eye of Africa - NASA's Incredible Shot Of The Sahara Desert From Space. pic.twitter.com/b0A8EWGcMs— Travel Scenes ✈️ (@TheWorldStories) January 9, 2014
Pesquet arrived at the ISS in November as part of the six-month, Expedition 50 mission, and has already shared some spectacular pictures of his view from space.