In this photograph captured by an astronaut aboard the International Space Station on July 31, 2011, the oblique angle reveals the layers of Earth’s atmosphere, along with a thin crescent Moon illuminated by the Sun sitting below the horizon. NASA Earth Observatory These days, spacecraft are venturing into the final frontier at a record pace.Continue reading “The Kármán Line: Where space begins”
The post The Kármán Line: Where space begins appeared first on Astronomy Magazine.