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Astronauts encounter five hazards as they journey through space. Recognizing these hazards allows NASA to seek ways that overcome the challenges of sending humans to the space station, the Moon, Mars, and beyond.
Here are five of the most dangerous threats astronauts will face when traveling to Mars and beyond. Cosmic radiation, energy-charged atom fragments from the sun, and supernovae outside our galaxy can give astronauts anxiety, depression, and impaired decision-making.
Humans aren't built to live in space, and being there can pose serious health risks. For space administrations like NASA, a major goal is to identify these risks to hopefully help lessen them.
Increased risk of cancer and degenerative diseases, such as heart disease and cataracts, have been observed in human populations exposed to radiation on Earth. Health risks for astronauts from radiation exposure in space are mainly driven by long-term impacts.
Crews exposed to radiation from space may be more likely to develop cancer. Identifying the best ways to mitigate this risk and understand what interventions may help are ongoing research priorities. Read About Radiation-Induced Cancer Risks.
In October 2018, NASA-funded researchers found that lengthy journeys into outer space, including travel to the planet Mars, may substantially damage the gastrointestinal tissues of astronauts. The studies support earlier work that found such journeys could significantly damage the brains of astronauts , and age them prematurely.
However, traveling to space poses risks to the human body. Since NASA wants to send a manned mission to Mars in the 2030s, scientists need to find solutions for these hazards sooner rather...
The major health hazards of spaceflight include higher levels of damaging radiation, altered gravity fields, long periods of isolation and confinement, a closed and potentially hostile living...
NASA and other space agencies have studied the health of hundreds of astronauts over the past 6 decades, finding a wide range of impacts, including elevated long-term cancer risks from exposure to space radiation, muscle atrophy and bone loss from life in microgravity, and changes in vision.
Space travel poses a number of risks to health. Without Earth’s atmosphere and magnetic field to protect them, astronauts are exposed to space radiation, which can increase their risk for cancer...