Without new landers or rovers, it's helicopters or bust for NASA's Mars program


NASA's cost estimate for SR-1 Freedom is $2.1 billion, but that doesn't include the helicopters.
Quelle: Originalartikel öffnen


NASA's cost estimate for SR-1 Freedom is $2.1 billion, but that doesn't include the helicopters.
Quelle: Originalartikel öffnen