Open AccessThe present phase of the solar cycle.
Author(s) -
Paul E. Roques
Publication year - 1950
Publication title -
the astronomical journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.61
H-Index - 271
eISSN - 1538-3881
pISSN - 0004-6256
DOI - 10.1086/106460
Subject(s) - sunspot , physics , mount , astrophysics , solar cycle , sunspot number , astronomy , meteorology , solar wind , magnetic field , operating system , quantum mechanics , computer science