（一）Eating in space is different from that on earth. The food that astronauts（宇航员carry with them doesnt look like the food you eat. Some food is carried in closed bags. It is cooked and frozen before the astronauts get it. All the water is removed from the food. In the space capsule(太空舱), the astronaut puts the water back. Heshoots hot or cold water into the food bag with a special gun（枪）. He eats the food through a small hole in the bag.Other foods come in bite sizes. The astron
