How will a 3-year Mars mission affect humans? NASA calls for more research
While typical missions to the International Space Station (ISS) last just six months, a round-trip mission to Mars could last three years.
Dec 20, 2017, 17:43 PM IST
While typical missions to the International Space Station (ISS) last just six months, a round-trip mission to Mars could last three years.
Dec 20, 2017, 17:43 PM IST