When the possibility of human settlement outside the Earth is mentioned, the name of only one planet is taken. That is on Mars. Is Mars the only planet where humans can settle? Is there no other place other than Mars that can be suitable for humans? Where scientists are also trying to create a permanent base for humans on the Moon along with long missions on Mars. It is not surprising that such questions are asked again and again. Let us know what the scientific aspect says in this question.
There are many types of opinions on this subject. Where many scientists and people believe that there is no place outside the Earth including Mars and Moon where humans cannot create a colony. At the same time, many people say that it is possible for humans to stay at these two places for some time.
There are many things in support of humans being able to live on Mars. The gravity here is less than Earth, the length of a day here is like the day on Earth. 98 percent carbon dioxide in the solid surface and thin atmosphere creates many possibilities along with some challenges. Extreme variations in temperature, lack of oxygen, lack of water, there are many things that make life on Mars very difficult.
Earth-like conditions do not exist anywhere else at present, but there are some places where humans can make them habitable in the future. (Symbolic photo: Wikimedia Commons)
But scientists believe that there will be fewer challenges on Mars than on any other body. In such a situation, if the challenges of Mars can be overcome, such as oxygen can be made from carbon dioxide, then Mars can be a good planet for humans. Elon Musk has made big plans to establish a colony on Mars.
Apart from Mars, Venus is said to be a strong contender but it has many difficult challenges. Scientists believe that today the conditions on Venus are very unfavorable for life. The surface here is very hot, the atmospheric pressure is more than 6500 times more than the Earth’s surface, and there are clouds of sulfuric acid in the air. But still scientists say that if Venus starts cooling then the situation can change rapidly.
In the solar system outside the Earth, Saturn’s satellite Titan and Jupiter’s moon Ganymede are said to have the possibility of life flourishing there, which means that humans can live there. But the problem is that this claim cannot be completely rejected. Apart from this, super-Earths in the distant solar system, i.e. planets slightly larger than Earth in size, may have the possibility of being habitable for humans along with life. NASA’s view in this matter is not to dismiss the possibilities. With increasing technological possibilities, there is a need to take such questions seriously.
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FIRST PUBLISHED: February 19, 2024, 17:16 IST
