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英国爱丁堡皇家天文台的科学家最近宣布,他们揭开了关于构成宇宙90％的黑暗物质之谜。这一发现把人们的视线又转移到了关于地球和空间的许多尚未揭开的谜上。其中之一便是其他星球上是否存在着有智慧的生命,即所谓最需要揭开的第六个秘密。这不仅仅是个科学上的争论问题,而且从长远来看是个对人类的前途至关重要的问题。 直到最近,人们还认为,由于我们的银河系是如此之巨大,包含有大约2500亿个类似太阳的恒星,因此银河系必定存在着无数个外星王国。但是这种理论现在引起许多人的怀疑。
Scientists at the Royal Observatory in Edinburgh, the United Kingdom, recently announced they have uncovered the mystery about the dark matter that forms 90% of the universe. This discovery has shifted people’s attention to many unsolved mysteries about the earth and the space. One of them is whether there is a wise life on other planets, the so-called sixth secret that needs to be uncovered. This is not just a matter of scientific debate, but is also, in the long run, a matter of crucial importance to the future of mankind. Until recently, it was also believed that as our galaxy is so massive that it contains about 250 billion stars like the sun, so many galaxies are bound to exist in countless alien kingdoms. However, this theory now arouses the suspicion of many people.