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Expanding the Milky Way
A journey to the centre of our galaxy using infrared light. The discovery of Sagittarius A star and what it may mean for our galaxy. Also in the programme, the diet that helps avoid bowel cancer and how B vitamins can help the heart. Presenter: Graham Easton.
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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
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Discovery
Explorations in the world of science.