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Another Planet only 50 Light Years away

Another planet orbiting the star 47 Ursae Majoris is only 50 light years away

Scientists looking for more solar systems like our own have found a second planet orbiting the star 47 Ursae Majoris only 50 light years away. A computer simulation that supports the "giant impact" model of the origin of the Earth's Moon. How SETI is looking for alien intelligence through optical and radio signals. Detecting exposure to dangerous chemicals. Revisiting an ancient technique for purifying drinking water.

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25 minutes

成人快手 World Service Archive

This programme was restored as part of the World Service archive project

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