Yestino - The Signal · NASA Marshttps://yestino.com/zh-CN/entities/nasa-mars-b5027b与 NASA Mars 相关的全部事件zh-CNWithout new landers or rovers, it's helicopters or bust for NASA's Mars programhttps://yestino.com/zh-CN/events/without-new-landers-or-rovers-it-s-helicopters-or-bust-for-n-1869a8https://yestino.com/zh-CN/events/without-new-landers-or-rovers-it-s-helicopters-or-bust-for-n-1869a8Tue, 01 Sep 2026 11:00:35 GMTNASA's cost estimate for SR-1 Freedom is $2.1 billion, but that doesn't include the helicopters. 来源：Ars Technica