Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Hawley, Steven A. (NASA Johnson Space Center Houston, TX, United States) Date Acquired
August 14, 2013
Publication Date
April 1, 1990
Publication Information
Publication: Sky and Telescope
Volume: 79
ISSN: 0037-6604
Accession Number
90A27739
Distribution Limits
Public