Related by context. Frequent words. (Click for all words.) 54 Niels Bohr 53 physicists 52 Niels Bohr Institute 52 Feynman 51 Richard Feynman 51 COROT 51 physicist 51 theoretical physicist 50 interplanetary spacecraft 50 Automated Transfer Vehicle 49 quantum mechanics 49 Leibniz 49 Huygens 49 Garching Germany 49 Quantum Optics 49 physics 49 Heisenberg 49 Edwin Hubble 49 Galileo Galilei 49 Cassini Huygens 49 quantum theory 49 ETH Zurich 48 GOCE 48 Einstein theory 48 Quantum Mechanics 48 astronomical observations 47 thermodynamics 47 Jules Verne 47 astronomy 46 mathematician 46 Astrophysicist 46 Brahe 46 ESA astronaut 46 Blaise Pascal 46 Copernicus 46 Bethe 46 Bernoulli 46 Mars Pathfinder 46 astronomers 46 astronomer 46 Einstein 45 ExoMars 45 Gravity Probe B 45 XMM Newton 45 Brownian motion 45 quantum optics 45 astrophysicists 45 CryoSat 45 Planck 45 SMOS 45 Max Planck 45 quantum physics 45 Physics 45 particle beam 45 Stephen Wolfram 45 Horkheimer 45 theoretical physicists 44 astrophysicist 44 Caltech 44 cosmologists 44 astronomer Carl Sagan 44 Chemical Physics 44 Garching 44 Ariane rocket 44 Hurwicz 44 astrophysical 44 Spintronics 44 particle physics 44 Theoretical Physics 44 astronautics 44 Novoselov 44 von Neumann 44 Astronomer 44 SuitSat 44 Professor Hawking 44 Corot 44 numerical simulations 44 Algol 44 ENIAC 44 Planetary Science 43 Nature Physics 43 NASA Goddard 43 astrophysics 43 mathematicians 43 theoretical physics 43 SELENE 43 ESA Mars 43 satellite Sputnik 43 particle physicist 43 meteoroid 43 Edward Teller 43 orbiting 43 Space Agency 43 von Braun 43 spacecraft 43 Fourier 43 particle physicists 43 gravitational wave 43 LCLS 43 quantum mechanical 43 Newtonian physics