| item | 780 | 84 | 9.361 | 0.003707 | 2001.00148,2001.00506,etc |
| disc | 1369 | 59 | 23.5 | 0.003527 | 2001.00197,2001.00369,etc |
| pulsar | 758 | 42 | 18.39 | 0.00348 | 2001.00289,2001.00595,etc |
| subhalo | 422 | 20 | 21.316 | 0.00331 | 2001.00261,2001.00931,etc |
| positron | 140 | 14 | 10.462 | 0.003231 | 2001.02240,2001.04442,etc |
| stream | 398 | 22 | 18.048 | 0.003229 | 2001.00601,2001.01092,etc |
| galaxy | 7760 | 299 | 26.03 | 0.003147 | 2001.00018,2001.00099,etc |
| torus | 164 | 19 | 7.944 | 0.003129 | 2001.00421,2001.00844,etc |
| planet | 2089 | 92 | 22.549 | 0.003077 | 2001.00049,2001.00050,etc |
| grain | 224 | 17 | 13.812 | 0.003062 | 2001.00844,2001.00949,etc |
| cluster | 2185 | 120 | 18.319 | 0.003022 | 2001.00261,2001.00506,etc |
| sunspot | 160 | 12 | 14.091 | 0.002982 | 2001.01093,2001.01932,etc |
| site | 122 | 13 | 5.75 | 0.002905 | 2001.00125,2001.00879,etc |
| nebula | 121 | 15 | 8.214 | 0.002807 | 2001.01527,2001.02007,etc |
| bar | 223 | 19 | 12.167 | 0.002696 | 2001.00318,2001.00331,etc |
| resonance | 318 | 22 | 15.0 | 0.002667 | 2001.01106,2001.02990,etc |
| inflation | 354 | 28 | 12.333 | 0.002645 | 2001.00409,2001.00584,etc |
| par | 335 | 12 | 29.091 | 0.002632 | 2001.01632,2001.01643,etc |
| neutrino | 420 | 34 | 11.788 | 0.002578 | 2001.00566,2001.00768,etc |
| jet | 973 | 66 | 14.231 | 0.002542 | 2001.00205,2001.00369,etc |
| satellite | 718 | 51 | 14.28 | 0.002515 | 2001.01106,2001.01107,etc |
| quasar | 524 | 41 | 12.55 | 0.002456 | 2001.00506,2001.02242,etc |
| mode | 959 | 84 | 11.361 | 0.002433 | 2001.00409,2001.00671,etc |
| bubble | 206 | 14 | 15.231 | 0.002396 | 2001.00768,2001.00873,etc |
| user | 221 | 17 | 13.562 | 0.00239 | 2001.00588,2001.01438,etc |
| fragmentation | 275 | 23 | 12.227 | 0.002329 | 2001.02227,2001.02678,etc |
| turbulence | 675 | 52 | 13.0 | 0.002326 | 2001.00197,2001.00601,etc |
| absorber | 179 | 14 | 9.769 | 0.002292 | 2001.00517,2001.01956,etc |
| filament | 319 | 24 | 13.304 | 0.002289 | 2001.00953,2001.01092,etc |
| star | 7704 | 440 | 17.538 | 0.002286 | 2001.00085,2001.00099,etc |
| target | 1022 | 85 | 12.071 | 0.002281 | 2001.00125,2001.00239,etc |
| blazar | 362 | 32 | 11.323 | 0.002269 | 2001.00675,2001.00930,etc |
| halo | 1729 | 112 | 15.378 | 0.00224 | 2001.00318,2001.00800,etc |
| lens | 144 | 15 | 10.071 | 0.002192 | 2001.00261,2001.00879,etc |
| burst | 311 | 30 | 10.621 | 0.002184 | 2001.00402,2001.00716,etc |
| object | 2374 | 220 | 10.635 | 0.002172 | 2001.00055,2001.00099,etc |
| anisotropy | 163 | 15 | 11.214 | 0.002152 | 2001.00409,2001.00868,etc |
| reaction | 327 | 28 | 11.852 | 0.002141 | 2001.00217,2001.01632,etc |
| wave | 330 | 27 | 12.5 | 0.002112 | 2001.00177,2001.02007,etc |
| asteroid | 187 | 17 | 10.75 | 0.002098 | 2001.00949,2001.01085,etc |
| wind | 761 | 57 | 13.536 | 0.002096 | 2001.00055,2001.00125,etc |
| bulge | 301 | 26 | 11.6 | 0.002089 | 2001.00099,2001.00331,etc |
| charge | 161 | 20 | 8.158 | 0.002081 | 2001.02984,2001.03134,etc |
| cloud | 930 | 67 | 13.985 | 0.002077 | 2001.00055,2001.00085,etc |
| eccentricity | 347 | 33 | 10.75 | 0.002056 | 2001.00421,2001.00949,etc |
| magnetar | 196 | 15 | 10.929 | 0.00205 | 2001.00950,2001.02007,etc |
| source | 5181 | 370 | 14.033 | 0.002023 | 2001.00099,2001.00125,etc |
| gravity | 623 | 70 | 8.986 | 0.002006 | 2001.00055,2001.00148,etc |
| loop | 213 | 19 | 11.667 | 0.002003 | 2001.00197,2001.00868,etc |
| nucleus | 578 | 50 | 11.429 | 0.002003 | 2001.00506,2001.00601,etc |
| group | 671 | 92 | 7.341 | 0.002001 | 2001.00261,2001.00541,etc |
| ejecta | 341 | 29 | 12.036 | 0.001998 | 2001.00587,2001.00598,etc |
| disk | 1940 | 131 | 14.885 | 0.001964 | 2001.00148,2001.00331,etc |
| pulse | 123 | 14 | 9.231 | 0.001946 | 2001.02007,2001.03389,etc |
| flare | 555 | 44 | 12.047 | 0.001941 | 2001.00648,2001.00868,etc |
| network | 197 | 25 | 7.958 | 0.001883 | 2001.00018,2001.00951,etc |
| reconnection | 369 | 15 | 26.0 | 0.001882 | 2001.00868,2001.02007,etc |
| ray | 358 | 46 | 7.844 | 0.001855 | 2001.00675,2001.00930,etc |
| pair | 532 | 69 | 7.765 | 0.001847 | 2001.00261,2001.00941,etc |
| blob | 148 | 12 | 12.909 | 0.001836 | 2001.01993,2001.03641,etc |
| transition | 630 | 89 | 7.125 | 0.001834 | 2001.00217,2001.00409,etc |
| outburst | 301 | 25 | 12.167 | 0.001824 | 2001.00713,2001.00716,etc |
| clump | 368 | 25 | 15.0 | 0.001817 | 2001.00331,2001.01839,etc |
| electron | 853 | 87 | 9.802 | 0.001804 | 2001.00868,2001.00922,etc |
| protostar | 207 | 12 | 18.455 | 0.001803 | 2001.01625,2001.04468,etc |
| core | 1222 | 116 | 10.557 | 0.001798 | 2001.00055,2001.00148,etc |
| reddening | 200 | 20 | 10.316 | 0.001791 | 2001.01481,2001.01839,etc |
| model | 9255 | 702 | 13.197 | 0.001785 | 2001.00018,2001.00049,etc |
| base | 158 | 12 | 13.818 | 0.001779 | 2001.02211,2001.03625,etc |
| planetesimal | 213 | 11 | 20.7 | 0.001776 | 2001.02666,2001.04468,etc |
| migration | 126 | 15 | 8.786 | 0.001769 | 2001.01106,2001.02228,etc |
| calibration | 304 | 35 | 8.794 | 0.001766 | 2001.00601,2001.01481,etc |
| metallicity | 1599 | 135 | 11.91 | 0.001737 | 2001.00055,2001.00099,etc |
| segment | 75 | 11 | 7.2 | 0.001731 | 2001.00648,2001.01823,etc |
| magnetosphere | 186 | 15 | 12.643 | 0.001714 | 2001.00289,2001.00868,etc |
| particle | 1503 | 135 | 11.052 | 0.001696 | 2001.00055,2001.00197,etc |
| collision | 315 | 25 | 12.75 | 0.001696 | 2001.00868,2001.00951,etc |
| gas | 2714 | 222 | 12.262 | 0.00164 | 2001.00055,2001.00099,etc |
| camera | 170 | 15 | 11.643 | 0.001637 | 2001.00125,2001.00879,etc |
| binary | 460 | 56 | 8.145 | 0.001617 | 2001.00239,2001.00860,etc |
| proton | 342 | 42 | 8.0 | 0.001594 | 2001.00768,2001.00930,etc |
| simulation | 4057 | 309 | 13.159 | 0.001581 | 2001.00133,2001.00197,etc |
| hydrogen | 300 | 40 | 7.41 | 0.00158 | 2001.00716,2001.00955,etc |
| remnant | 315 | 33 | 9.75 | 0.001572 | 2001.00951,2001.01810,etc |
| decay | 302 | 31 | 9.867 | 0.001571 | 2001.01763,2001.02007,etc |
| redshift | 2666 | 227 | 11.757 | 0.00155 | 2001.00099,2001.00194,etc |
| event | 1149 | 129 | 8.906 | 0.001516 | 2001.00125,2001.00148,etc |
| chemical | 84 | 12 | 6.909 | 0.001507 | 2001.00050,2001.02486,etc |
| shock | 473 | 48 | 8.021 | 0.001507 | 2001.00099,2001.00205,etc |
| pole | 136 | 17 | 8.25 | 0.001488 | 2001.01967,2001.02361,etc |
| mass | 5616 | 491 | 11.439 | 0.001481 | 2001.00055,2001.00099,etc |
| fraction | 1779 | 219 | 8.138 | 0.001469 | 2001.00099,2001.00261,etc |
| keV | 367 | 36 | 7.371 | 0.001467 | 2001.00506,2001.00713,etc |
| member | 316 | 45 | 7.068 | 0.00146 | 2001.00873,2001.01107,etc |
| outflow | 847 | 73 | 11.722 | 0.001456 | 2001.00055,2001.00099,etc |
| tension | 256 | 31 | 8.0 | 0.001443 | 2001.00261,2001.01241,etc |
| neutron | 257 | 24 | 10.609 | 0.001442 | 2001.03876,2001.04467,etc |
| system | 2957 | 304 | 9.736 | 0.001438 | 2001.00125,2001.00148,etc |
| spectrum | 4188 | 336 | 12.49 | 0.001418 | 2001.00049,2001.00050,etc |
| element | 367 | 48 | 7.617 | 0.001417 | 2001.00541,2001.00563,etc |
|