Another Mars Mystery - Circular Form of Lava Flows

Astrogeology, Asteroids, Robots, Space Flight & Extraterrestrial Matters

Date posted: 12/06/14

Amanda Koose reports that Mars has a history of offering up unusual formations for humans to marvel at, speculate about and scratch their heads over. For example, the face on Mars and more recently a jelly doughnut-shaped form and an object vaguely shaped like a human femur bone. The latest find is a formation that looks a bit like a deformed waffle. An image captured by the Mars Reconnaissance Orbiter looked down onto what NASA describes as an enigmatic landform. The 1.2-mile wide feature is circular and sits in the Athabasca region of Mars, the location of some of the youngest lava flows. The smooth areas around it are lava flows.... Nature prefers a circle...