First, click green flag twice. Then type in your age and which planet you want to know. It shows you how old you’d be on your selected planet. You can type in: Mercury, Venus, Earth, Mars, Ceres, Jupiter, Saturn, Uranus, Neptune, Pluto, Eris, Makemake.
The picture is from NASA. Recherched at Wikipedia. Inspired by @ANDUANDU P.S. Go to "See inside" and let you surprise!!!
