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Dark Energy
Dark energy,a hypothetical form of energy that permeates all of space. When some stars appeared to be older than the universe itself, cosmologists discovered that dark energy explains why the rate of expansion of the universe has increased. Presenter unknown.
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大象传媒 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
A pair of scientific sleuths answer your perplexing questions. Ask them anything!
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Discovery
Explorations in the world of science.
