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Lonely planet

发布时间:2019-03-07 07:04:07来源:未知点击:

By Stuart Clark THE search for planets like our own that may support life could be long and frustrating. A new study of the Orion Nebula, the nearest star-forming region to the Earth, suggests that barren lumps of rock may be all that’s orbiting up to 90 per cent of stars. In the past six years,