Visit http://science.nasa.gov/ for more. About three quarters of ISS astronauts experience changes in the structure and function of their eyes. An experiment on the space station called the “Fluid Shifts Study” is investigating these vision problems in space. http://www.nasa.gov/station Click here to see more videos: https://alugha.com/NASA
Visit http://science.nasa.gov/ for more. Earth is surrounded by electrons that can be disruptive to our technology. NASA is using high-altitude balloons and spacecraft to monitor and understand these particles in the radiation belts surrounding our planet. Click here to see more videos: https://al
Explore how astronomers and scientists use astronomical units to measure distances in the solar system in this video adapted from NASA. The astronomical unit (au) -- equal to the average distance from Earth to the Sun -- is a convenient unit of measure when talking about distances in the solar syste
