Scientific study on human colonization on Mars
The hypothetical colonization of Mars has received interest from public space agencies and private corporations, and has received extensive treatment in science fiction writing, film, and other mediums.
Organizations have proposed plans for a human mission to Mars, but no person has set foot on the planet. However, landers and rovers have successfully explored Mars’ surface and delivered information about conditions on the ground.
Reasons for colonizing Mars include pure curiosity, the potential for the in-depth research humans can provide relative to that delivered by rovers, economic interest in its resources, and the thought that the settlement of other planets could decrease the likelihood of human extinction. Difficulties and hazards include radiation exposure during a trip to Mars and on its surface, toxic soil, low gravity, the isolation that accompanies Mars' distance from Earth, lack of water, and cold temperatures.
The most recent commitments to researching permanent settlement include those by public space agencies NASA, ESA, Roscosmos, ISRO and the CNSA, and those by private organizations such as SpaceX, Lockheed Martin, and Boeing.
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