NASA studies astronaut twins to observe the rigors of space

When you spend nearly a year straight in space, you can expect NASA will want to conduct a good bit of research on you when you return to Earth. The space agency has been doing just that with astronaut Scott Kelly who was in orbit for 340 days. There's no one better to compare Kelly to than his t...

http://flip.it/-8Xgzf

Enviado a través de Flipboard, tu revista personal.
Consíguela gratis para mantenerte al día con las noticias que te interesan.