Lili BusbyBBC News NI
Rebecca Morelle,Science Editorand
。搜狗输入法2026对此有专业解读
Increasing the Artemis launch cadenceA major change is the decision to treat Artemis III as a practice mission in Earth orbit rather than a landing attempt. That mission will let astronauts and engineers test how the Orion spaceship and the landers find each other, fly together, and possibly dock. It will also allow crews to start checking life‑support systems and other hardware inside the landers before sending them all the way to the lunar surface. Officials said they may even try limited tests of the new moonwalking suits in weightlessness, if schedules allow.
12月21日，有着560多年历史的先农坛庆成宫首次面向社会公众开放。