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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.
Episode 3
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.
No cast information available.