SpaceShuttle map gives the best view yet of Earth's curves Fourteen years ago, the space shuttle flew a mission to map the contours of our planet in unprecedented detail. Now the data is finally released in full 51¶¯Âþ
LifeLow gravity makes astronauts prone to falling over We need to feel a certain gravitational force to tell up from down, which has big implications for the design of objects for bases on other planets 51¶¯Âþ