The real space race is whether we will colonise off Earth on to other worlds before money for the space programme runs out.
真正的太空竞赛是我们是否会在太空计划的资金耗尽之前，在地球以外的其他星球建立殖民地。
Scientists used the mothership of NASA's recycled Deep Impact comet probe to look at light reflected off Earth, the moon and Mars.
科学家们利用美国宇航局可回收的“深度撞击”彗星探测器的母船，来观测地球、月球和火星的反射光。
Alternatively, it suggests life from Earth may have landed on other planets or moons on boulders blasted off Earth in an impact, though whether it could survive on those bodies is another matter.
另外，这还表明地球上的生命可能会经由撞击产生的碎屑降落到其他行星或者卫星，当然它们能否在这些天体上生存就是另一回事了。
About 65 million years ago, most of the dinosaurs and many other animals and plants were wiped off Earth, probably due to an asteroid hitting our planet.
大概六千五百万年前，大部分恐龙和许多其它的动植物在地球上灭绝了，可能是因为小行星撞击了地球。
OCO will attempt the work by using three high-resolution spectrometers to study sunlight reflected off Earth at the precise wavelengths that reveal the presence of carbon dioxide and molecular oxygen.
OCO将用三个高分辨率分光计来尝试这一工作。分光计在精确的波长下研究反射出地球的太阳光，这一波长揭示二氧化碳及分子氧的存在。
Terrell is correct. China in 1983 signed on to the Outer Space Treaty of 1967. The treaty forbids territorial claims off-Earth.
楼上说的对，中国在1983年签署了1967年颁布的外太空条约。条约禁止了地球外的领土要求。
Terrell is correct. China in 1983 signed on to the Outer Space Treaty of 1967. The treaty forbids territorial claims off-Earth.
楼上说的对，中国在1983年签署了1967年颁布的外太空条约。条约禁止了地球外的领土要求。
应用推荐