SimilarityRank
meteor 0.633 36079
a_comet 0.592 83115
lightning 0.584 10837
Northern_Lights 0.582 66032
comet 0.580 16244
moon 0.575 11556
sky 0.570 8646
nova 0.568 68897
corona 0.560 81120
nebula 0.559 48385
the_night_sky 0.554 53259
sunspot 0.549 64517
the_Milky_Way 0.549 65157
the_moon 0.544 5760
thunderstorm 0.539 27313
supernova 0.534 47013
solar_activity 0.532 98984
bright_star 0.532 72915
the_sky 0.531 4519
fireball 0.521 47466
the_solar_wind 0.521 80824
the_sun 0.514 2677
clear_sky 0.504 69421
magnetic_field 0.502 15604
cosmic_ray 0.499 60042