Related by context. Frequent words. (Click for all words.) 56 Robock 56 sunspot cycle 55 Weather Prediction 54 Astrophysicist 54 Planetary Science Institute 53 NCAR scientist 53 Carnegie Observatories 53 Rignot 52 sunspot activity 52 Melott 52 Nasa Jet Propulsion 52 NCAR 52 climate modelers 51 Serreze 51 Climate Prediction 51 atmospheric physicist 51 El Nino La Nina 51 Cassini scientist 51 WASP #b 51 solar irradiance 51 planetary geologist 51 journal Geophysical Research 51 CfA 51 Filippenko 51 substorm 50 Ken Caldeira 50 geochemists 50 Niels Bohr Institute 50 glacial melting 50 Lunine 50 numerical modeling 50 planetary scientist 50 sunspots 50 numerical simulations 50 Steward Observatory 49 University Lamont Doherty 49 atmospheric chemist 49 perihelion 49 Richard Lindzen 49 magnetic reconnection 48 astrophysicists 48 Finnish Meteorological 48 Pasachoff 48 astrobiologist 48 Compton Gamma Ray 48 geomagnetic storms 48 Planetary Physics 48 NASA Cassini 48 atmospheric chemistry 48 Mark Serreze 48 Hoerling 48 NSIDC 48 Jonathan Overpeck 48 Venusian 48 tropospheric 48 Carolyn Porco 48 CloudSat 48 photosphere 48 substorms 47 Tinetti 47 Keck Observatory 47 Meehl 47 Tropical Rainfall Measuring 47 Bottke 47 journal Nature Geoscience 47 biogeochemical 47 Phil Klotzbach 47 Keck telescope 47 colliders 47 Martian dust 47 William Borucki 47 mesosphere 47 Roger Pielke Jr. 47 Lindzen 47 Johannes Kepler 47 paleoclimate 47 glacial melt 47 Haumea 47 Comiso 47 journal Astronomy 47 USGS geologist 47 interplanetary spacecraft 47 Computer simulations 47 Geophysical Research 46 Cosmologists 46 Hubble observations 46 Melosh 46 boson 46 greenhouse warming 46 Gravity Recovery 46 physicist 46 science journal Nature 46 Landsea 46 noctilucent clouds 46 moon Enceladus 46 polar vortex 46 LHC experiments 46 particle physicist 46 meteoroid 46 Galileo spacecraft 46 Richard Feynman