Related by context. Frequent words. (Click for all words.) 64 substorm 64 diffraction pattern 62 tropospheric 61 oscillation 60 electron density 60 polar vortex 60 nonlinearity 60 oscillations 60 X ray emission 60 amplitudes 59 isotope ratios 59 Fig. 1A 59 auroral 59 Supplementary Fig 59 irradiance 58 photoluminescence 58 cm -1 58 magnetic reconnection 58 morphologies 58 spectrographs 58 optical wavelengths 58 solar irradiance 58 El Niño Southern Oscillation 58 excitations 57 perturbation 57 solar corona 57 elemental composition 57 anisotropy 57 keV 57 electron spins 57 ultraviolet wavelengths 57 Earth magnetosphere 57 spectral signature 57 ionospheric 56 oscillatory 56 decoherence 56 redshifts 56 periodicity 56 cirrus 56 fluorophores 56 Cepheids 55 sunspot 55 solar nebula 55 baryons 55 magnetosphere 55 noctilucent clouds 55 phonon 55 interferometric 55 orbitals 55 spectrally 55 Hubble observations 55 abundances 55 dynamical 55 histone modifications 55 sunspot cycle 55 photonic crystal 55 coronal hole 55 oxygen isotopes 54 geomagnetic field 54 VIRTIS 54 chromophore 54 sunspot numbers 54 Brownian motion 54 polarizations 54 z = 54 atmospheric circulation 54 dipoles 54 isotopic composition 54 deglaciation 54 visible wavelengths 54 optical lattice 54 isotropic 54 quantized 54 perturbations 54 radiative forcing 54 geoid 53 aerosol particles 53 latitudinal 53 symmetries 53 attosecond 53 novae 53 gravitational lens 53 invariant 53 protoplanetary disk 53 tetrahedral 53 vortices 53 Carina Nebula 53 magnetic flux 53 γ 53 photometry 53 aurorae 53 dispersive 53 iridescence 53 QDs 53 sunspots 53 numerical simulations 53 moonlets 52 convective 52 interferometry 52 spacetime 52 GeV