At a news briefing on Friday, NASA administrator Jared Isaacman described a vast overhaul to the moon-to-Mars program. The changes scrap the Artemis III lunar landing and instead make it a flight in low-Earth orbit for a crew to practice meeting up with either the SpaceX or Blue Origin-built lunar landers — or, perhaps, both.
Израиль нанес удар по Ирану09:28
,详情可参考WPS下载最新地址
我們需要對AI機器人保持禮貌嗎?
Veronica Viera said seeing the images of glowing plasma from space was amazing