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Sunspot Mystery, Part 1: Sunspots Explained
- 1977 ----- color ----- 31 min ----- 16mm
- (Nova series) Sunspots--huge blemishes on the face of the sun that denote energy reactions beneath its surface--come and go in an eleven-year cycle. But their size and number vary and their appearance has not always been as regular as supposed. Interweaves the latest research on aurorae, solar constants, sunspot cycles and tree ring analyzes with historical scientific records to discover exactly how the sun's changes affect the earth.
- Topics: (Astronomy, Atmospheric Sciences)
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