Artwork used on NASA's New Frontiers program website.
<a href="https://en.wikipedia.org/wiki/NASA" class="extiw" title="wikipedia:NASA">National Aeronautics and Space Administration (NASA)</a>
NASA <a rel="nofollow" class="external text" href="https://discoverynewfrontiers.nasa.gov/index.cfml">New Frontiers program</a> website. (<a rel="nofollow" class="external text" href="https://discoverynewfrontiers.nasa.gov/images/background-indexBody21.png">Source image</a>)