The 160303rd episode of 6 Minute English is titled "Life on Mars" and it discussed the possibility of humans living on Mars. This is an intriguing topic as Mars is similar to the Earth in some important ways. So, if life is developed on our planet, why not Mars?
The major reasons are probably because Mars is a cold planet - the average temperature of Mars would be around minus 63-degree celsius. Moreover, liquid water is essential for life, but it is very dry on Mars. However, scientists think that there may have been water on the surface of Mars in the past, and recent research also suggests that there might be water underground. One interesting thing is that as primitive life exists in extreme places on Earth, scientists think that life may exist on Mars too.
There seems to be a lot of discussions on this recently. That's indeed an intriguing topic.
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