Results 241 to 250 of about 3,012 (284)
A Revisit of Large-Scale Patterns in Middle Stratospheric Circulation Variations. [PDF]
Tao N +7 more
europepmc +1 more source
Association between gestational exposure to solar activity and pregnancy loss using live births from a Massachusetts-based medical center. [PDF]
Wang VA +11 more
europepmc +1 more source
Energetic neutral atom imaging reveals nearly 11-year cycle of the ring current of Saturn. [PDF]
Li Y +5 more
europepmc +1 more source
A deep learning framework for instrument-to-instrument translation of solar observation data. [PDF]
Jarolim R +3 more
europepmc +1 more source
Associations between solar and geomagnetic activity and cognitive function in the Normative Aging study. [PDF]
Liddie JM +5 more
europepmc +1 more source
Revisiting the Sunspot Number [PDF]
Our knowledge of the long-term evolution of solar activity and of its primary modulation, the 11-year cycle, largely depends on a single direct observational record: the visual sunspot counts that retrace the last 4 centuries, since the invention of the astronomical telescope.
F Clette, Leif Svalgaard, J M Vaquero
exaly +5 more sources
Historical sunspot records [PDF]
Sunspot observations are available in fairly good numbers since 1610, after the invention of the telescope. This review is concerned with those sunspot observations of which longer records and drawings in particular are available.
J M Vaquero, Arlt Rainer
exaly +2 more sources

