德国人正在制造能够收集太空垃圾碎片并将其带回地球安全销毁的机器人。
The Germans are building robots that can collect pieces of space junk and bring them back to Earth to be safely destroyed.
更重要的是，科学家们已经在排队争取这些低重力太空飞行服务的座位了，这样他们就可以在几分钟的失重状态下收集数据。
More importantly, scientists are already queuing for seats on these low-gravity space-flight services so they can collect data during a few minutes of weightlessness.
天文馆从太空中收集了70块石头，包括来自月球、火星等地方的石头。
The planetarium has collected 70 stones from the space including those from the moon, Mars and so on.
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