Fact of the Day Image Mar. 29th

Sometimes, after astronauts return from space, they can be up to 2 inches taller than before! On Earth, gravity pushes down on us all the time, keeping us at the same height or similar height. But, in space, there is a loss of gravity, meaning that the soft cartilage in our body (stuff that makes up your nose and ears) starts to expand. But, when astronauts return to Earth, the gravity pushes down on them and they return to their original height!