这些奇观只有在宇宙中才能观察到，因为地球大气层中的臭氧和水会吸收这些波长。
These wonders can be observed only from space, because ozone and water in the Earth’s atmosphere absorb light at those wavelengths.
除了吸收气体和星体，M87星系的这个宇宙质量冠军很有可能是一系列黑洞合并的结果，最近的一次可能发生在不太遥远的过去。
Aside from feasting on gas and stars, M87's champion is likely the result of aseries of black hole mergers, the last of which may have happened in the nottoo distant past.
其它提议包括在海洋中撒播有特别功能的物质以吸收更大量的二氧化碳，还有人提议在沙漠地区建造大型的反射器来将阳光反射回宇宙之中。
Other proposals include seeding the oceans to get them to absorb more carbon dioxide and building huge reflectors in desert regions to reflect sunlight back into space.
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