why cant why just live in the edge of mars shouldnt it be 70 degress threre or something .

Question: why cant why just live in the edge of mars shouldnt it be 70 degress threre or something .

Asked by teststudent to Mark on 16 Jun 2010 in Categories: General. This question was also asked by .
- Mark Lancaster answered on 16 Jun 2010:
  
  Well Mars has an extremely eccentric orbit around the Sun which means the temperature varies hugely from -140 to 20 centrigrade. It also has a very thin atmosphere so any heat is not retained very well – so all in all a tricky place to live.

Question: why cant why just live in the edge of mars shouldnt it be 70 degress threre or something .