NASA?s NEEMO 21 undersea
training mission has started, the space agency an**unced today. Officially called the
NASA Extreme Environment
mission Operations 21, the expedition lasts for 16 days and subjects
astronauts to the kind of conditions they could expect to endure on a long space mission. It?s yet a**ther piece of NASA?s
Mars puzzle, **t only preparing
astronauts for such …
Continue reading
أكثر...