Seeing 16 Sunrises in 24 Hours, Astronauts Need Different Ways to Tell Time in Space
![Seeing 16 Sunrises in 24 Hours, Astronauts Need Different Ways to Tell Time in Space](https://images.ctfassets.net/cnu0m8re1exe/2SK5sf1FJ0Coe1EETkT5KH/79152a52cc5b9d2e9418001bc15f8396/sunrise-in-space.jpg)
A normal clock and routine won’t work while astronauts travel in space. Learn what helps them keep track of their days when traveling to the moon or orbiting Earth.