Cover Image

Comparison of the variations of sunspot number, number of sunspot groups, and sunspot area, 1875-2013 /

Bibliographic Details
Main Author: Wilson, Robert M. (Author)
Corporate Author: United States. National Aeronautics and Space Administration (sponsoring body.)
Format: Government Document eBook
Language:English
Published: Huntsville, Alabama : National Aeronautics and Space Administration, Marshall Space Flight Center, April 2014.
Series:NASA technical paper ; 2014-218192.
Subjects:
Sunspot cycle.
Sunspots.
Error analysis.
Minima.
Online Access:https://purl.fdlp.gov/GPO/gpo54398
http://purl.fdlp.gov/GPO/gpo54398
Description
Item Description:Title from title screen (viewed March 12, 2015).
"April 2014."
Physical Description:1 online resource (viii, 23 pages) : illustrations.
Bibliography:Includes bibliographical references (pages 21-23).