Right angles are not common in nature. They are almost always formed by tectonic forces. This right angle on Mars is part of Sacra Fossae. This image is from NASA 2001 Mars Odyssey spacecraft.
Right angles are not common in nature. They are almost always formed by tectonic forces. This right angle on Mars is part of Sacra Fossae. This image is from NASA 2001 Mars Odyssey spacecraft.