Mars

Real Test Question (Retell Lecture) – Mars
  • The research conducted on the Mars indicates the prior existence of liquid water.
  • The evidence is that researchers found several elements which are essential to form water, such as calcium carbonate, salt, mineral, and perchlorate.
  • Martian surface is much hotter and wetter than earth.
  • Consequently, we can speculate that there used to be water existed on Mars as liquid form and Mars may be a hospitable planet long time ago.