Astronauts at the International Space Station fill to work out every day to keep themselves healthy. This means they exercise two hours per day on three different machines—a bike,a treadmill, and the so-called Advanced Restive Exercise Device, and ARED—to prevent loss of bone density and muscle mass. On the ISS there is enough space for these machines,but what approximately the less roomy deep-space vehicles like the Orion Spacecraft, on which NASA wants to send astronauts on long journeys to the moon and Mars?Read more...
Source: gawker.com