Quantcast

Latest Catherine Weitz Stories

2008-09-17 16:56:38

Parts of ancient Mars may have been wet for a billion years longer than scientists previously thought, a new study of images of the red planet's surface suggests. Along with Earth and the other inner planets of our solar system, Mars formed about 4.5 billion years ago.


Word of the Day
deuteragonist
  • A person in a secondary role, specifically the second most important character (after the protagonist).
The word 'deuteragonist' comes from a Greek word meaning 'an actor of second-class parts'.
Related