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The Hidden Universe
We don't know what it is, we can't see it and yet staggeringly it makes up 90% of our Universe. For astrophysicists, dark matter has proved to be an elusive and mysterious substance. In this episode, Patrick Moore talks to Professor Carlos Frenk about the Universe's darkest secret.
Last on
Sat 8 Mar 2003
12:45
麻豆社 Two except East & Yorkshire
