What would happen if Mars people came back to Earth as passengers on an astronaut's clothing? Moreover, we must rightly consider the possibility of dangerous Martian microbes arriving on Earth in samples returned by robot explorer. Will quarantine conditions devised around known standard be sufficient? Suppose some of our own bacteria travel to Mars on our spacecraft survive on the surface, but mutate in the intense UV radiation. What kinds of diseases could they cause when human explorers arrive ?In conclusion, mutant Earth bacteria will have to be dealt with of and when they are encountered. The possibility of native microbes from Mars arriving, though is already taken seriously enough by some people that an organization dedicated to seeing that samples are not returned is already in existence. Another problem is how adaptable living on Mars problem, how can human adapt to live in Mars in the silence of space environment, but it would be too much for modern city, light weight feeling when human does not need to walk on Mars' land. All of these issues will be human need to face problems, if space scientists can confirm Mars can be one adaptable planet to let us to live to compare other planets in the future possible one day.⦁Space exploration possible economic benefits What are economic benefits of space exploration? Space exploration may bring these economic benefits as below: The critical drive of technological changes linked to the space industry. Firms may make technological leap that took billions in public funds to finance to carry on continue space exploration research continue in long term into the different kinds of space markets development, e.g. space resource exploration, space living environment exploration, space energy exploration, space tourism expenditure exploration etc.For new entrants to all one space market, they may be assisted to invest to build their own rocket factories or space stations, how to design and rebuild reusable rockets easily when they anticipate to any kinds of space exploration activities. It can increase cooperation to develop future space exploration missions successful chance as well as expertise is increasingly consolidated within single firms, instead of across a multiplicity of vendors and contractors. Because any one space exploration activity, if there are many different countries' space exploration companies anticipate, it will bring more success in the process of designing, testing and improving products in all those space exploration companies in new and innovative ways. Then, any one space exploration mission success, it also brings another or other new technological business chance. It helps to create monopolies or at least oligopoly and this provide sufficient incentive to innovate or drive down costs to US space industry sells its any space exploration products into international market as well as creating more space exploration manufacturing workers, space products salespeople, space science teacher etc. positions job opportunity to reduce unemployment ratio and encouraging more students choose space science subject to learn. It can change to the space exploration industry with long-term commercial, scientific and even military security, technical innovation economic benefits to global entrepreneurs, even when any one space exploration technological development reaches mature stage, then it will bring long term profits, as reducing cost and less risky businesses in possible.
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