Wispy clouds float across the Martian sky in this accelerated sequence of enhanced images taken on July 17, 2017, by the Navcam on NASA's Curiosity Mars rover.
NASA/JPL-Caltech/York University
<a rel="nofollow" class="external free" href="https://www.jpl.nasa.gov/spaceimages/details.php?id=PIA21841">https://www.jpl.nasa.gov/spaceimages/details.php?id=PIA21841</a>