Results 171 to 180 of about 3,487 (215)

Forecasting the number of sunspots for solar cycle 25 utilizing the facebook prophet model. [PDF]

Sci Rep
Rahman HIA, Badawy WA.
europepmc   +1 more source

Two distinct current systems in the ionosphere of Mars. [PDF]

Nat Commun
Gao J, Li S, Mittelholz A, Rong Z, Persson M, Shi Z, Lu H, Zhang C, Wang X, Dong C, Klinger L, Cui J, Wei Y, Pan Y.   +13 more
europepmc   +1 more source

Polarity-resolved far-side magnetograms based on helioseismic measurements. [PDF]

Sci Rep
Hamada A, Jain K, Strecker H, Lindsey C, Suárez DO.   +4 more
europepmc   +1 more source

Experimental quantification of hydrogen content in the Earth's core. [PDF]

Nat Commun
Huang D, Murakami M, Gerstl S, Liebske C.   +3 more
europepmc   +1 more source

Perspectives on the physics of late-type stars from beyond low earth orbit, the moon and mars. [PDF]

NPJ Microgravity
Mathur S, Santos ÂRG.
europepmc   +1 more source

The extreme depletion of ionospheric electron density and its hemispheric asymmetry during the May 2024 storm. [PDF]

Natl Sci Rev
Chen Y, Aa E, Yuan T, Zhang S, Shen H, Yue X, Xu H, Liu S, Wang X, Huang W, Li H, Luo B, Zhang Q, Wang C.   +13 more
europepmc   +1 more source

Satellite monitoring of long period ocean-induced magnetic field variations. [PDF]

Philos Trans A Math Phys Eng Sci
Finlay CC, Velímský J, Kloss C, Blangsbøll RM.   +3 more
europepmc   +1 more source

The Global Solar Dynamo [PDF]

Space Science Reviews, 2016
A brief summary of the various observations and constraints that underlie solar dynamo research are presented. The arguments that indicate that the solar dynamo is an alpha-omega dynamo of the Babcock-Leighton type are then shortly reviewed. The main open questions that remain are concerned with the subsurface dynamics, including why sunspots emerge at
R H Cameron, Mausumi Dikpati, Axel Brandenburg   +2 more
exaly   +5 more sources

The solar dynamo [PDF]

Geophysical and Astrophysical Fluid Dynamics, 1991
AbstractThe traditionalαΩ-dynamo as a model for the solar cycle has been successful in explaining the butterfly diagram, phase relations between poloidal and toroidal field, and polar branch migration features. Observational and theoretical achievements in recent years have however shaken this picture.
M Stix
exaly   +3 more sources

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The solar dynamo

Philosophical Transactions Series A, Mathematical, Physical, and Engineering Sciences, 2002
In this article I review the fundamentals of solar-dynamo theory. I describe both historical and contemporary observations of the solar magnetic field before outlining why it is believed that the solar field is maintained by a hydromagnetic dynamo. Having explained the basic dynamo process and applications of the theory to the Sun, I shall conclude by ...
Steven M Tobias
exaly   +3 more sources