The Sky at Night: The Solar Cycle

Aired 1977-05-18

Sunspots are known to increase and decrease over an 11-year cycle. We have just passed through a period of minimum solar activity and the sun-spots should now be increasing, but are slow to do so. Patrick Moore and Dr Ron Maddi son discuss the possible causes of this apparent irregularity. in the solar cycle, and talk about some of the other interesting features of the sun's surface.

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Episodes

Season

13 episodes

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The Sky at Night: The Solar Cycle

Sirius, the Dog-Star

Travel in Space and Time

The Mapping of Mercury

Celebrates its 20th anniversary

The Solar Cycle

Uranus - the Second Ringed Planet?

The New Infra-red Telescope

The Swan in the Sky

The Voyager Missions

Stars of the Far South

The Amateur Astronomer

Why Do the Planets Shine?

Suns, Space-ships, and Bug-eyed Monsters