Tag: Scott Kelly
In microgravity: How are astronauts’ eyes affected?
Astronauts in space for more than 6 months are likely to experience changes in eye structure. If this condition persists, their vision will be...
An astronaut’s heart shrinks 25% after a year in space
After spending nearly a year on the International Space Station (ISS), the largest cavity in the heart of astronaut Scott Kelly has been reduced...
