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Solar and Heliospheric Observatory (SOHO) was launched to discover more about solar storms - Eric Sawyer Rutherford Appleton Laboratory talks through the mission.

How the Leonid meteor storm is caused by Comet Tempel Tuttle is explained by Mark Lipman of the University of Tennessee.

Plus what was happening among the stars and planets in November 1998.

This is a programme from the 麻豆官网首页入口 World Service Archive and was originally broadcast in 1998.