SimilarityRank
Telescope 0.876 33291
NASA's 0.818 24421
telescope 0.811 15729
telescopes 0.802 27127
Orbiter 0.781 76431
NASA 0.773 9327
Astronomers 0.772 61630
quasars 0.772 93060
Herschel 0.767 54808
nebulae 0.763 81004
orbiting 0.759 32947
astronomers 0.759 24742
galaxies 0.757 19979
exoplanets 0.750 89365
redshift 0.745 88264
comets 0.737 39333
JPL 0.737 58179
Kepler 0.736 41816
spacecraft 0.732 16461
orbiter 0.732 76092
flyby 0.732 80846
ISON 0.731 79144
Cassini 0.730 49105
comet 0.726 23908
Jupiter's 0.722 61517