When do people travel to Mars?

Scientists have analyzed the possibility of traveling to Mars in a serious way since 1952, when Wernher von Braun published his influential book das Marsprojekt . Since then, there have been several very successful missions of Orbiter and Rover, which allow Mars' survey and a much better understanding of the conditions that prepare the way there for potential mission.

At the same time, the success of the spacecraft missions led some scientists to question the wisdom of the dangerous and expensive mission with the crew. In any case, there are no solid plans for a mission with a crew in the foreseeable future, although the US vision for space exploration mentions the possibility of traveling to Mars after 2020. In this article we will look at several questions that would have to be solved before traveling to Mars.

Mars' Distance of Odzem is ranging from 36 million miles to more than 250 million miles, which is the largest variant of the distance that the country with howOh, a planet. The average distance is about 140 million miles, 1.5 times longer than the distance between the ground and the sun. Approximately every year, the country is approaching Mars, about 50 million miles. For comparison, the distance from Earth to the moon is only about 236,000 miles (380,000 km), more than 200 times shorter. If the journey from the ground to the moon lasted about three days, then a spacecraft with a similar speed of traveling to Mars would require at least 600 days (1.6 years). This transit time is typical of the spacecraft so far triggered on Mars.

spending more than three years with a small crew - probably consisting of only three or four individuals, in a cramped spacecraft - can shift the limits of human psychological tolerance. This exceeds isolation that experiences nuclear conditions that can spend months under water in cramped neighborhoods, but for years. To make this situation more acceptable, astronauts would have to be supplied with some form of entertainment to set out on the road without killing each other. Internet access isOne option (although there would be significant delays due to long distances) and virtual reality programs are another. In order to travel realistically to Mars, this challenge must be overcome.

Another main problem of traveling to Mars is the level of exposure to space rays for such a long mission. However, several adverse health effects from the year or long stays at space stations in the low orbit of the Earth suggest that it may not be as big as it originally thought.

Because the trip is so long, every crew mission would require a considerable amount of on -board food and water and an effective means of recycling water by the body. Otherwise, the useful load of the vessel would be disproportionately large. The craft on Mars would not only have to pull along their passengers, their equipment, food, oxygen and water, but the fuel necessary to release from Mars and accelerate back towards the ground on the way back. This leads to unprecedented weight requirements, significantly beyondEverything that has ever tried in space missions.

If all technical challenges can be overcome, people eventually visit Mars. The use of a spacecraft with a nuclear fairy tale would be one of the approach to the challenge of the drive and minimize the weight of the payload. However, it may take a while for astronauts to travel to Mars - one hint suggested the date of 2037.