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Algol: The Winking Demon

Mar 5, 1975

Algol, the Demon Star, is now well on view during the evening. Every two-and-a-half days the star seems to give a long, slow ' wink.' Patrick Moore describes this remarkable eclipsing binary and explains its importance.

Previous episodeE2 · The New Northern Hemisphere Laboratory Next episodeE4 · Astronomy of The Infra-Red

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Season 19 Episodes13

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Orion, the Hunter

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The New Northern Hemisphere Laboratory

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E3Now viewing

Algol: The Winking Demon

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Astronomy of The Infra-Red

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E5 9.0

The Outer Planets

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The Mysterious X-rays

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The Hot Clouds of the Sun

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The New Moon

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The Galilean Satellites

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E10

The Origin of the Universe

New Star in Cygnus

The Rocks on Venus

The Search for Life in the Universe

Cast1

Patrick Moore

Self - Presenter

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Episode Summary

"Algol: The Winking Demon" is episode 3 of The Sky at Night season 19. It aired on March 5, 1975.

Next: E4 · Astronomy of The Infra-Red Best of Season 19