“Blue” sand dunes on Mars stun in NASA photo

(Natural News) The sand dunes of Mars looked blue in a stunning photo that the National Aeronautics and Space Administration (NASA) shared on April 8. Captured using a special infrared camera onboard NASA’s Mars Odyssey orbiter, the breathtaking image covered an area of 19 miles somewhere on the Martian north pole. In the image, a sea of windswept sand dunes could be seen stretched…