valery polio cough spend four hundred thirty seven days on a mere space station apparently with no ill effects on his health. the next destination for human spaceflight is likely to be mars using today s technology a manned mission there would take around three years and the potential risks are very adventure are still being investigated. one recent study has shown that a journey to mars might be bad for your health doctors found that after as little as three months exposed to microgravity astronauts had changes to their brain structure. if you have the science question go to our website and send it in if we answer it on the show you ll get our d.v.d. featuring a lighthearted look at albert einstein s most famous theories. the most important thing is to never stop asking questions.
into orbit on april twelfth one thousand nine hundred sixty one. yuri gagarin circled the earth for two hours just four years later both russian and american astronauts were already leaving their protective capsules to carry out spacewalks and perform repairers nowadays life in orbit has become almost routine missions on the international space station can last twelve months but a stay in space is hazardous astronauts are exposed to high levels of cosmic rays which may cause cancer bones and muscles weaken under conditions of weightlessness although crews on the spent hours exercising every day the world record for the longest space flight was actually set twenty three years ago. russian cosmonaut valery poliakoff spend four hundred thirty seven days on the mir space station apparently with no ill effects on his health. the next destination for human
into orbit on april twelfth one thousand nine hundred sixty one. yuri gagarin circled the earth for two hours just four years later both russian and american astronauts were already leaving their protective capsules to carry out spacewalks and perform repairers nowadays life in orbit has become almost routine missions on the international space station can last twelve months but a stay in space is hazardous astronauts are exposed to high levels of cosmic rays which may cause cancer bones and muscles weaken under conditions of weightlessness although crews on the spent hours exercising every day the world record for the longest spaceflight was actually set twenty three years ago. russian cosmonaut valery polio cough spend four hundred thirty seven days on a mere space station apparently with no ill effects on his health. the next
valery pour your car spend four hundred thirty seven days on the mir space station apparently with no ill effects on his health. the next destination for human spaceflight is likely to be mars using today s technology a manned mission there would take around three years and the potential risks of that adventure are still being investigated. one recent study has shown that a journey to mars might be bad for your health doctors found that after as little as three months exposed to microgravity astronauts had changes to their brain structure. if you have a science question go to our website and send it in if we answer it on the show you ll get out a video featuring a lighthearted look at albert einstein s most famous theories. the most important thing is to never stop asking questions.