Related by context. Frequent words. (Click for all words.) 49 oscillations 49 mid latitudes 48 geomagnetic 47 ecliptic 47 geomagnetic field 47 Earth magnetosphere 46 perturbations 46 auroral 46 X ray emission 46 perturbation 46 anticyclone 46 magnetosphere 45 lithosphere 45 heliosphere 45 sunspots 45 dynamical 45 oscillation 44 ionosphere 44 atmospheric circulation 44 periodicity 44 hydrological cycle 44 maxima 44 sunspot activity 44 geomagnetic storms 43 convective 43 jetstream 43 irradiance 43 constellation Perseus 43 gravitation 43 eastwards 43 occultation 43 magnetar 42 GeV 42 crustal 42 equatorial regions 42 anisotropy 42 cosmic ray 42 instabilities 42 equatorial 42 radiative 42 galaxy cluster 42 cyclic 41 elliptical orbit 41 sunspot 41 eastward 41 southerly direction 41 northerly direction 41 westerly direction 41 northeasterly direction 41 invariant 41 Wind shear 41 magnetic fields 41 constellation Leo 41 vortices 41 supernova remnant 41 ocean currents 41 Kuiper belt 41 Brownian motion 41 substorms 41 magnetization 41 equator 40 oscillate 40 galaxy formation 40 southeasterly 40 monetary aggregates 40 meteoroid 40 westerly 40 angular momentum 40 gyre 40 risk premia 40 crystal lattice 40 polarity 40 aurora 40 Eta Carinae 40 overshoot 40 temperature gradient 40 meteoroids 40 currents 40 upwelling 40 contractionary 40 landmasses 40 minima 40 amplitudes 40 troposphere 40 intensification 40 gravitational wave 40 polar caps 40 terrestrial planets 40 decadal 40 equatorial Pacific 39 latitudes 39 glacial melt 39 Mimas 39 dwarf galaxy 39 cirrus clouds 39 GRBs 39 Iapetus 39 spacetime 39 HICP inflation 39 orbits 39 gravitationally