The skies above ESO’s Paranal Observatory resemble oil on water
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Within reach

16 April 2017 Astronomy Now

The skies above the European Southern Observatory’s Paranal Observatory resemble oil on water, as greens, yellows, and blues blend to create an iridescent skyscape.

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A Martian mesa in a sea of sand dunes

14 April 2017 Astronomy Now

This image from NASA’s Mars Reconnaissance Orbiter shows a small (0.4 kilometre) mesa, one of several surrounded by sand dunes in Noctis Labyrinthyus, an extensively fractured region on the western end of Valles Marineris.