来自MSN1 个月
Strategic alliance brings high-energy nuclear electric propulsion closer to reality
One with a long track record is the Ad Astra Rocket Company ... They aren't powerful enough to lift a craft out of a planet's gravity well, but once in space with little gravitational pull ...
Yahoo1 个月
New nuclear electric propulsion partnership to bring fast Mars travel closer
Ad Astra Rocket Company (Ad Astra) and The Space Nuclear Power Corporation (SpaceNukes) have announced the partnership to enable fast and reliable human and robotic missions to Mars and beyond.