SimilarityRank
Big_Bang 0.741 74254
our_universe 0.735 66180
the_Universe 0.713 30975
the_universe 0.706 5701
in_the_Universe 0.677 97244
supernova 0.674 47013
dark_matter 0.652 32284
the_cosmos 0.639 29976
in_the_universe 0.639 16239
of_the_universe 0.626 17292
quasar 0.618 61018
dark_energy 0.616 55834
string_theory 0.603 85187
our_solar_system 0.599 82880
Universe 0.599 40414
the_Solar_System 0.596 94718
black_hole 0.593 19818
galaxy 0.589 7128
of_the_Universe 0.588 67025
neutrino 0.587 41916
spacetime 0.584 96462
the_Milky_Way 0.583 65157
cosmology 0.576 24700
cosmic_ray 0.566 60042
quantum_theory 0.565 83208