Astronauts aboard the International Space Station witness 16 sunrises and 16 sunsets every 24 hours, orbiting Earth once every 90 minutes while traveling 5 miles a second

The International Space Station orbits Earth every 90 minutes at 7.66 kilometres per second, giving its crew 16 sunrises and 16 sunsets in a single day — and forcing them to live by UTC, tunable LED lighting, and shaded sleep stations to keep their biology from unravelling. The post Astronauts aboard the International Space Station witness 16 sunrises and 16 sunsets every 24 hours, orbiting Earth once every 90 minutes while traveling 5 miles a second appeared first on Space Daily .