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Vanishing Planets

Iain Nicholson on the phenomenon of occultation when the moon passes in front of Saturn

Iain Nicholson on the phenomenon of occultation when the moon passes in front of Saturn.

Jerry Gilmore of the Institute of Astronomy of Cambridge on galaxies colliding violently.

Plus what was happening among the stars and planets in November 1997.

This is a programme from the 成人快手 World Service Archive and was originally broadcast in 1997.

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14 minutes