| Similarity | Rank | |
|---|---|---|
| neutrino | 0.701 | 41916 |
| dark_matter | 0.667 | 32284 |
| quark | 0.626 | 60736 |
| string_theory | 0.605 | 85187 |
| the_LHC | 0.602 | 64297 |
| spacetime | 0.599 | 96462 |
| dark_energy | 0.590 | 55834 |
| neutron | 0.569 | 24797 |
| quantum_theory | 0.569 | 83208 |
| particle_physic | 0.566 | 87009 |
| the_Big_Bang | 0.552 | 46860 |
| supernova | 0.550 | 47013 |
| Rutherford | 0.547 | 47872 |
| an_electron | 0.542 | 98873 |
| quantum_mechanic | 0.536 | 38195 |
| physicist | 0.535 | 14631 |
| quasar | 0.533 | 61018 |
| Hubble | 0.533 | 49607 |
| photon | 0.533 | 18937 |
| Chadwick | 0.532 | 78589 |
| black_hole | 0.532 | 19818 |
| proton | 0.531 | 20444 |
| cosmic_ray | 0.525 | 60042 |
| pulsar | 0.524 | 56249 |
| gamma_ray | 0.523 | 77142 |