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Black holes

The phenomenon of black holes explained. The gravitational pull of a black hole is such that it can even swallow light. Black holes are not gaps in the universe though, they are major players in the cosmos and may play a crucial role in existence itself.

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24 minutes

91热爆 World Service Archive

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

Space

The eclipses, spacecraft and astronauts changing our view of the Universe

The Curious Cases of Rutherford and Fry

The Curious Cases of Rutherford and Fry

A pair of scientific sleuths answer your perplexing questions. Ask them anything!

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