Systemesolaire2.jpg (30000×1000) Space. Amazing video: Planets viewed from Earth as if they were at the distance of our moon. Your Age on Other Worlds. Looking at the numbers above, you'll immediately notice that you are different ages on the different planets.
This brings up the question of how we define the time intervals we measure. What is a day? What is a year? The earth is in motion. Actually, several different motions all at once. Wallpaper. Aystein-Lunde-Ingvaldsen1.jpg (1024×681) Photopic Sky Survey. Www.solarsystemscope.com/scope.swf. 2012 March 12 - The Scale of the Universe Interactive. Vojto1_pub_eclipse.jpg (1604×1130) Dd.dynamicdiagrams.com/wp-content/uploads/2011/01/orrery_2006.swf.
Chromoscope - View the Universe in different wavelengths. Dd.dynamicdiagrams.com/wp-content/uploads/2011/01/orrery_2006.swf.