Question

what is our belief about the possibility of life on mars? what do the Martians believe about the possibility of life on Earth? Compare the two viewpoints.(Talking of Space:Report on planet Three by Arthur C Clarke) For 10 marks​

Answer 1

Currently, the surface of Mars is bathed with ionizing radiation, and Martian soil is rich in perchlorates toxic to microorganisms. Therefore, the consensus is that if life exists—or existed—on Mars, it could be found or is best preserved in the subsurface, away from present-day harsh surface processes.

Cumulative evidence shows that during the ancient Noachian time period, the surface environment of Mars had liquid water and may have been habitable for microorganisms. The existence of habitable conditions does not necessarily indicate the presence of life.

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