Daily Telescope: See carbon dioxide sublimating on Mars


A field of sand dunes in the Martian springtime.

A field of sand dunes in the Martian springtime. (credit: NASA/JPL-Caltech/University of Arizona)

Welcome to the Daily Telescope. There is a little too much darkness in this world and not enough light, a little too much pseudoscience and not enough science. We’ll let other publications offer you a daily horoscope. At Ars Technica, we’re going to take a different route, finding inspiration from very real images of a universe that is filled with stars and wonder.

Good morning. It’s May 29, and today’s photo comes from NASA’s Mars Reconnaissance Orbiter, which is, you guessed it, in orbit around Mars.

The image shows an area of sand dunes on Mars in the springtime, when carbon dioxide frost is sublimating into the air. According to NASA, the pattern of dark spots is due to the fact that the sublimation process is not uniform.

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