NASA’s cost estimate for SR-1 Freedom is $2.1 billion, but that doesn’t include the helicopters.
Источник: Ars Technica — All content
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.
Источник: Ars Technica — All content