Astronauts on the International Space Station see sixteen sunrises every day. The station flies around the Earth once every ninety minutes. It moves at twenty-eight thousand kilometers per hour — but inside, everything floats gently.
An astronaut's morning starts with a floating toothbrush and water that forms little balls. Breakfast comes in sealed packets, because crumbs could fly into the machines. Astronauts must exercise two hours every day, or their muscles and bones become weak.
Most of the day is spent on science experiments. In the evening, many astronauts float to the window and simply watch the Earth. They say our planet looks like a small blue island in a black ocean. Almost every astronaut returns home wanting to protect it better.