SimilarityRank
dark_matter 0.859 32284
neutrino 0.702 41916
our_universe 0.695 66180
black_hole 0.692 19818
supernova 0.674 47013
the_universe 0.663 5701
cosmic_ray 0.656 60042
quasar 0.656 61018
spacetime 0.646 96462
cosmology 0.645 24700
the_solar_wind 0.639 80824
string_theory 0.636 85187
of_the_universe 0.634 17292
galaxy 0.628 7128
a_black_hole 0.626 67425
in_the_universe 0.625 16239
gravitation 0.623 91354
exoplanet 0.622 88229
quantum_theory 0.616 83208
the_Big_Bang 0.616 46860
the_cosmos 0.614 29976
pulsar 0.608 56249
the_Universe 0.608 30975
astrophysics 0.602 46058
space-time 0.602 56795