NASA may send a backup, nuclear-powered Mars rover to the Moon
摘要
美国国家航空航天局官员表示，正认真考虑将“毅力号”火星车的全尺寸工程模型“Promise”送往月球，以加速月球南极区域探索。该火星车大小与汽车相当，目前存放于加州喷气推进实验室，原无发射计划。它将配备多任务放射性同位素热电发生器，以应对复杂地形和月夜环境，而NASA其他月球车主要依赖太阳能。NASA局长称正慎重考虑此方案。
NASA officials said Tuesday that they are seriously considering sending the full-scale engineering model of the Perseverance rover, which is currently housed at the Jet Propulsion Laboratory in California, to the Moon to expedite their efforts to explore the south pole region.
The car-sized rover nicknamed "Promise," which serves as a testbed for Perseverance and was not otherwise planned for a launch, would land equipped with a multi-mission radioisotope thermoelectric generator (MMRTG) to power it across difficult terrain and through the lunar night. NASA's other rovers primarily operate on solar power.
"We are thinking very hard right now about sending Promise to the Moon," NASA Administrator Jared Isaacman said Tuesday during a monthly update on the agency's plans to build a Moon base.
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