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X-ray of the Universe
Chandra, a telescope to monitor X-rays coming from space
Martin Ward of Leicester University talks about Chandra, a telescope to monitor X-rays coming from space.
A review of what's happened in astronomy in the 20th Century with Paul Murdin of the British National Space Centre.
Plus what was happening among the stars and planets in December 1999.
This is a programme from the 91热爆 World Service Archive and was originally broadcast in 1999.
