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The Meteorites of Arizona
The discovery of 2500 pieces of meteorite in a goldfield in Arizona
The discovery of 2500 pieces of meteorite in a goldfield in Arizona.
A tour of the Milky Way with Britain's astronomer royal Martin Rees.
Plus what was happening among the stars and planets in August 1998.
This is a programme from the 成人论坛 World Service Archive and was originally broadcast in 1998.