Related by context. Frequent words. (Click for all words.) 59 geoid 58 oscillation 57 tropospheric 56 anisotropy 56 irradiance 54 amplitudes 54 magnetization 54 emissivity 54 latitudinal 54 albedo 54 curvature 53 curvatures 53 hysteresis 53 amplitude 53 photometry 53 superimposition 53 z = 52 parallax 52 polar vortex 52 Brownian motion 52 visible wavelengths 52 phonon 52 magnifications 52 wavelike 52 transmittance 52 perihelion 51 luminosity 51 indeterminacy 51 oscillations 51 refraction 51 wavefront 50 electron density 50 coronal 50 kinematic 50 isotropic 50 dielectric constant 50 quantization 50 equinoxes 50 solar irradiance 50 lithosphere 50 sunspot cycle 50 temporal 50 unobservable 50 GPa 50 precession 50 entropic 49 interferometers 49 invariant 49 monotonic 49 periodicity 49 flatness 49 msec 49 sunspot activity 49 spacetime 49 horizontal axis 49 compressibility 49 SSTs 49 oblique angle 49 ecliptic 49 geomagnetic field 49 entropy 48 crustal 48 singularities 48 keV 48 pulsations 48 surface roughness 48 y axis 48 radiative forcing 48 planet Uranus 48 kyphosis 48 pulsation 48 ionospheric 48 resonant frequency 48 mid latitudes 48 refracting 48 f/# 48 polarity 48 deformation 48 hydrological cycle 48 polar caps 48 logarithm 48 solar corona 48 ultraviolet wavelengths 48 decoherence 48 Newtonian physics 48 Arctic Oscillation 48 attosecond 48 ejecta 48 discontinuities 48 reflectance 48 atmospheric CO 48 sunspot numbers 47 atmospheric turbulence 47 radiative 47 quantized 47 Y axis 47 luminous flux 47 Z axis 47 chroma 47 atmospheric 47 Cepheids