Equipped with visionary science instruments, the Mars Perseverance rover underwent an "eye" exam after several cameras were installed. via NASA http://www.nasa.gov/image-feature/nasa-optometrists-verify-mars-perseverance-rovers-2020-vision
With a high of 44F and a low of 26F. Current temp 34 Current condition Partly Cloudy. Sunrise at April 13, 2020 at 06:50AM sunset at April 13, 2020 at 08:04PM. Humidity 63%.