As cited above, there is no evidence that life ever existed on Mars. Although there is evidence of the existence of water, which most scientists agree is necessary for the development of life, no one knows how long and in what quantities that water existed in liquid form. Judging by life on earth, life needs a long time to evolve in the presence of liquid water, and that time may not have been available on Mars.
One can assume that man will eventually set up bases on Mars. But self-contained and self-sustainable bases, as well as space suits, will be necessary, as the Martian atmosphere is generally very cold and very thin (1/100 that of Earth). Here are some specifics:
Mars' temperature ranges from -220º F (-140 ºC) in the winters to to almost 70 ºF (20 ºC) in the summers. The average recorded temperature on Mars is -63 °C (-81°F). All in all, Mars is pretty darned cold.
The composition of the atmosphere is:
Carbon Dioxide (CO2): 95.32%, Nitrogen (N2): 2.7%, Argon (Ar): 1.6%, Oxygen (O2): 0.13%, Water (H2O): 0.03%, Neon (Ne): 0.00025 %
Nowhere near enough oxygen to breathe in and lots of CO2, which we normally breathe out.
No comments:
Post a Comment