Related by context. Frequent words. (Click for all words.) 52 Astrophysicist 46 Blaise Pascal 46 Mathematician 46 sextant 46 astronomer 46 CfA 45 mathematician 45 Astronomer Royal 45 cosmologists 45 physicists 45 astrophysicists 45 Astrophysicists 45 cosmologist 44 Astronomer 44 Leibniz 44 Galileo Galilei 44 physicist 44 Francis Crick 44 sundials 42 mathematicians 42 Johannes Kepler 42 Einstein 42 phrenology 42 Isaac Newton 42 Observatory 41 Richard Feynman 41 D.Phil 41 astrologist 41 astronomers 41 Einstein theory 41 Herschel 41 Niels Bohr 41 palaeontologist 40 Pythagoras 40 theoretical physicists 40 discoverer 40 astrophysicist 40 University Lamont Doherty 40 Astrologer 40 Schopenhauer 40 particle physicist 40 logician 40 Biochemist 40 Bethe 40 Professor Stephen Hawking 40 Niels Bohr Institute 40 theoretical physicist 40 Edwin Hubble 40 Oceanographer 39 optical telescope 39 theorems 39 mathematical 39 Equations 39 Royal Astronomical Society 39 Diderot 39 astrobiologist 39 polynomial 39 Lowell Observatory 39 Nicolaus Copernicus 39 Gliese #g 39 microlensing 39 Albert Einstein 39 Bernoulli 39 Vespucci 39 QCD 39 Physicist 38 abundances 38 developmental biologist 38 Higgs particle 38 theorem 38 atmospheric chemist 38 quantum theory 38 Sibyl 38 neurobiologists 38 Cassini imaging 38 Antikythera Mechanism 38 double helix structure 38 ethnologist 38 Professor Hawking 38 planetary scientist 38 astronomical observations 37 WMAP 37 Physicists 37 Gertrude 37 philosopher 37 quantum mechanics 37 Nancie 37 Prof 37 Sedna 37 COROT 37 Justinian 37 astrologers 37 binomial 37 geophysicists 37 Archimedes 37 Buckminster Fuller 37 Max Planck Institute 37 Marianne 37 anatomist 37 Professor 37 postulated