ERIC Number: EJ410983
Record Type: Journal
Publication Date: 1990
Pages: N/A
Abstractor: N/A
ISBN: N/A
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The Amateur Scientist.
Mims, Forrest M., III
Scientific American, v262 n6 p130-33 Jun 1990
A method and an apparatus for safely observing sunspots is presented. The McIntosh system of sunspot-group classification is illustrated. Construction and enhancement of the apparatus are discussed. (CW)
Publication Type: Journal Articles; Reports - Descriptive; Guides - Non-Classroom
Education Level: N/A
Audience: Teachers; Researchers; Practitioners
Language: English
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