SimilarityRank
neutrinos 0.949 66418
neutron 0.885 35660
antimatter 0.847 64679
deuterium 0.845 86208
photon 0.841 33504
neutrons 0.841 44331
quasars 0.830 93060
photons 0.828 31946
gravitational 0.826 22967
redshift 0.825 88264
protons 0.818 41243
supernovae 0.817 82066
subatomic 0.813 64342
superconducting 0.812 84490
supernova 0.811 46579
boson 0.806 78382
electron 0.805 16811
quarks 0.793 65913
ionosphere 0.788 85878
particle 0.787 12203
electrons 0.782 17880
quantum 0.779 11375
pulsar 0.778 89564
atoms 0.778 14412
positron 0.777 81180