https://www.youtube.com/watch?v=or4OhVWteEQ
The sun descends to the Martian horizon and sets in this 30-second movie simulation using images from the panoramic camera (Pancam) on NASA’s Mars Exploration Rover Opportunity. Read more: http://www.jpl.nasa.gov/news/news.php…
Release Date: 22 December 2010
Credit: NASA/JPL Jet Propulsion Laboratory