 |
|
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
|
|
Spörer's law
The observational rule that the solar latitude at which new sunspots appear gradually decreases, from 30° to 40° north or south of the solar equator, at the beginning of a solar cycle, to 5° to 10°, at the end of the cycle. This tendency is revealed very clearly on a butterfly diagram. Although named after Gustav Spörer, the "law" was first discovered by Richard Carrington.
Related category
• SOLAR TOPICS
Also on this site:
Encyclopedia of Alternative Energy & Sustainable Living
Encyclopedia of History
Transport Concepts & Designs (partner site)