Human space exploration with flights to other planets
Science and technology have reached a state that will allow producing a spacecraft for a mission to the planet Mars and other planets. But there is one big obstacle on the way of manned visiting even the closest planet Mars: human space exploration is impossible, the human body will not survive the flight. Imagine human space exploration in a flight to Mars: low gravity, ionizing radiation exposure, traveling millions of kilometers for six months. Without any "countermeasures" to protect muscles, bones, cells, it is impossible...