Watch Mars The Red Planet - Show Me Science Astronomy & Space

Olympus Mons, the tallest & deepest volcano in our Solar System.Although Mars is about half the size of Earth, it takes nearly twice as long to orbit our Sun. NASA's 21st century inter-planetary robots landed on the once watery surface & sent back images and collected data.Coupled with Earth-bound complex telescopes, multi-disciplinary studies continue to enhance our knowledge of our this planet.