Latest Ma'adim Vallis Stories
The Mars Express High Resolution Stereo Camera imaged a region close to Maâ€™adim Vallis, one of the largest canyons on Mars, finding craters, lava flows and tectonic features.
Word of the Day
- The word or words serving to define another word or expression, as in a dictionary entry.
The word 'definiens' comes from the Latin word 'definire', 'to define'.