question_answer

          Why is life on Mars not possible?                                                  

Answer:

(i) As compared to the Earth, Mars has an incredibly harsh environment.

(ii) Its exploration verified that the planet has an inhospitable, frigidly cold and an arid environment. Its surface is littered with craters and grant volcanoes and has planet-wide dust storms.

(iii) The atmospheric pressure is very low and contains virtually no oxygen as well as no protection from the incoming ultra violet solar radiation.

(iv) The planet experiences extreme fluctuations in temperature from day to night.