| asteroid belt | 41 | 11 | 4.0 | 0.008438 | 2006.04534,2006.07127,etc |
| Li abundance | 113 | 16 | 7.467 | 0.005925 | 2006.00787,2006.01899,etc |
| cosmic string | 108 | 20 | 4.579 | 0.005528 | 2006.00438,2006.03064,etc |
| coronal hole | 97 | 15 | 6.857 | 0.005328 | 2006.00500,2006.04184,etc |
| primordial black hole | 89 | 29 | 3.036 | 0.005218 | 2006.01161,2006.02446,etc |
| phase function | 167 | 16 | 7.933 | 0.005018 | 2006.00146,2006.01242,etc |
| Sgr A* | 195 | 22 | 9.238 | 0.004548 | 2006.00005,2006.00010,etc |
| flux rope | 95 | 13 | 7.583 | 0.004165 | 2006.00179,2006.02253,etc |
| transit spectrum | 136 | 13 | 9.917 | 0.004054 | 2006.04175,2006.04807,etc |
| globular cluster | 291 | 96 | 3.042 | 0.003979 | 2006.00004,2006.00720,etc |
| Be star | 198 | 12 | 17.0 | 0.003898 | 2006.03615,2006.06424,etc |
| dust particle | 70 | 27 | 2.654 | 0.003806 | 2006.01082,2006.01194,etc |
| short GRBs | 86 | 13 | 5.75 | 0.003772 | 2006.01150,2006.01844,etc |
| curvature perturbation | 81 | 13 | 6.333 | 0.003759 | 2006.02838,2006.03395,etc |
| Paper I | 254 | 30 | 7.931 | 0.003758 | 2006.00001,2006.00720,etc |
| first-order phase transition | 30 | 11 | 2.2 | 0.00367 | 2006.02207,2006.02838,etc |
| ray source | 61 | 16 | 3.733 | 0.003645 | 2006.00623,2006.02831,etc |
| spatial curvature | 55 | 13 | 4.5 | 0.003626 | 2006.04273,2006.06347,etc |
| sterile neutrino | 56 | 13 | 4.583 | 0.003415 | 2006.02838,2006.04826,etc |
| growth rate | 345 | 54 | 6.491 | 0.003344 | 2006.00612,2006.00924,etc |
| Fe K line | 46 | 11 | 4.4 | 0.003318 | 2006.00678,2006.01114,etc |
| frequency shift | 51 | 11 | 4.7 | 0.003256 | 2006.01248,2006.03789,etc |
| magnetic field | 2902 | 337 | 8.634 | 0.003247 | 2006.00005,2006.00019,etc |
| Stokes profile | 52 | 11 | 5.0 | 0.003214 | 2006.00179,2006.01809,etc |
| super-Eddington accretion | 42 | 15 | 2.929 | 0.003184 | 2006.00918,2006.01159,etc |
| blue galaxy | 52 | 13 | 4.083 | 0.003173 | 2006.04294,2006.07631,etc |
| black hole | 1554 | 290 | 5.301 | 0.003154 | 2006.00005,2006.00449,etc |
| galactic halo | 78 | 26 | 3.08 | 0.003142 | 2006.01643,2006.02446,etc |
| nonumber & | 116 | 25 | 4.792 | 0.003069 | 2006.01450,2006.01982,etc |
| phase transition | 308 | 54 | 5.774 | 0.003058 | 2006.00438,2006.01822,etc |
| Coma cluster | 66 | 11 | 6.5 | 0.003051 | 2006.04606,2006.06741,etc |
| orbital solution | 42 | 12 | 3.455 | 0.003015 | 2006.00833,2006.00837,etc |
| ray emission | 203 | 35 | 5.941 | 0.002984 | 2006.00623,2006.00867,etc |
| radio galaxy | 174 | 36 | 4.914 | 0.002943 | 2006.00449,2006.01700,etc |
| dark matter | 1151 | 262 | 4.402 | 0.002939 | 2006.00244,2006.00623,etc |
| transit depth | 178 | 26 | 7.08 | 0.002932 | 2006.00220,2006.01684,etc |
| flux tube | 101 | 19 | 5.5 | 0.00292 | 2006.00179,2006.02346,etc |
| dark energy | 347 | 97 | 3.604 | 0.002881 | 2006.00244,2006.00818,etc |
| SNe Ia | 188 | 26 | 7.4 | 0.00288 | 2006.00449,2006.00774,etc |
| Galactic bulge | 111 | 25 | 4.583 | 0.002833 | 2006.02838,2006.02929,etc |
| domain wall | 103 | 11 | 10.2 | 0.00281 | 2006.00438,2006.02838,etc |
| neutron star | 1023 | 203 | 5.05 | 0.002794 | 2006.00215,2006.00449,etc |
| light curve | 1587 | 222 | 7.149 | 0.002793 | 2006.00001,2006.00215,etc |
| Earth' surface | 59 | 13 | 4.833 | 0.002761 | 2006.00853,2006.00909,etc |
| scalar field | 632 | 85 | 7.464 | 0.002703 | 2006.01646,2006.01811,etc |
| Hawking radiation | 67 | 16 | 4.333 | 0.002687 | 2006.02838,2006.03608,etc |
| disk evolution | 50 | 16 | 3.267 | 0.002686 | 2006.00019,2006.01082,etc |
| radiation pressure | 208 | 70 | 2.986 | 0.002683 | 2006.00001,2006.00853,etc |
| rate coefficient | 48 | 15 | 2.929 | 0.002676 | 2006.01326,2006.03362,etc |
| molecular cloud | 415 | 92 | 4.549 | 0.002626 | 2006.00004,2006.00019,etc |
| halo mass | 776 | 90 | 8.697 | 0.002611 | 2006.00006,2006.00008,etc |
| Higgs field | 54 | 12 | 2.364 | 0.002605 | 2006.15122,2006.16182,etc |
| terrestrial planet | 160 | 38 | 4.297 | 0.002573 | 2006.00732,2006.01102,etc |
| drift velocity | 125 | 15 | 8.857 | 0.002568 | 2006.01194,2006.01788,etc |
| sound horizon | 82 | 27 | 2.385 | 0.002559 | 2006.00612,2006.01407,etc |
| solar wind | 231 | 40 | 5.282 | 0.002551 | 2006.00500,2006.00909,etc |
| binary star | 147 | 50 | 2.959 | 0.002546 | 2006.00774,2006.01039,etc |
| stellar metallicity | 164 | 28 | 6.037 | 0.002513 | 2006.00849,2006.01154,etc |
| Virgo cluster | 62 | 18 | 3.588 | 0.00251 | 2006.03721,2006.04456,etc |
| open cluster | 217 | 41 | 5.4 | 0.002505 | 2006.01723,2006.01960,etc |
| neural network | 258 | 43 | 6.119 | 0.002502 | 2006.00615,2006.01438,etc |
| electron density | 279 | 70 | 4.029 | 0.002473 | 2006.00233,2006.00574,etc |
| stellar association | 81 | 14 | 6.154 | 0.00245 | 2006.00867,2006.01102,etc |
| magnetic field orientation | 53 | 12 | 4.273 | 0.002433 | 2006.01297,2006.01809,etc |
| dynamical system | 103 | 19 | 2.611 | 0.002424 | 2006.01960,2006.03802,etc |
| transit light curve | 52 | 14 | 3.923 | 0.002392 | 2006.00220,2006.00599,etc |
| convective core | 106 | 14 | 8.077 | 0.002387 | 2006.00774,2006.00901,etc |
| molecular gas mass | 95 | 21 | 4.7 | 0.00238 | 2006.01196,2006.01326,etc |
| selection function | 126 | 34 | 3.788 | 0.002361 | 2006.02095,2006.02686,etc |
| magnetic field strength | 371 | 109 | 3.046 | 0.00236 | 2006.00005,2006.00019,etc |
| bow shock | 51 | 19 | 2.667 | 0.002357 | 2006.00573,2006.00867,etc |
| solar flare | 67 | 25 | 2.75 | 0.002343 | 2006.00179,2006.02005,etc |
| number count | 89 | 23 | 3.909 | 0.002341 | 2006.03600,2006.03602,etc |
| brown dwarf | 59 | 12 | 5.182 | 0.002339 | 2006.00874,2006.03582,etc |
| rotation curve | 280 | 55 | 5.167 | 0.00233 | 2006.00006,2006.00818,etc |
| radio emission | 574 | 118 | 4.897 | 0.00233 | 2006.00274,2006.00484,etc |
| spiral arm | 405 | 68 | 6.015 | 0.002313 | 2006.00010,2006.00019,etc |
| upper envelope | 32 | 11 | 3.1 | 0.002283 | 2006.00615,2006.03232,etc |
| Hubble radius | 53 | 12 | 4.727 | 0.002282 | 2006.00981,2006.02838,etc |
| outer planet | 41 | 15 | 2.857 | 0.002274 | 2006.01102,2006.01277,etc |
| baryon asymmetry | 169 | 17 | 10.5 | 0.002262 | 2006.02838,2006.06488,etc |
| test particle | 138 | 33 | 4.281 | 0.002239 | 2006.01269,2006.01646,etc |
| current sheet | 168 | 22 | 7.524 | 0.002221 | 2006.01194,2006.03957,etc |
| hydrogen density | 55 | 18 | 3.059 | 0.002211 | 2006.00019,2006.01124,etc |
| neutron star merger | 69 | 34 | 2.03 | 0.002203 | 2006.01150,2006.01509,etc |
| solar spectrum | 64 | 17 | 3.812 | 0.002202 | 2006.00146,2006.01467,etc |
| maximum mass | 224 | 55 | 4.13 | 0.002202 | 2006.01842,2006.01867,etc |
| tidal tail | 102 | 27 | 3.885 | 0.0022 | 2006.01690,2006.03174,etc |
| gas disk | 126 | 33 | 3.906 | 0.00219 | 2006.00573,2006.00720,etc |
| neutrino cooling | 33 | 12 | 2.909 | 0.002176 | 2006.03174,2006.04955,etc |
| theoretical uncertainty | 42 | 16 | 2.733 | 0.002164 | 2006.00981,2006.03710,etc |
| habitable zone | 96 | 24 | 4.13 | 0.00216 | 2006.01102,2006.01684,etc |
| hybrid star | 64 | 11 | 4.5 | 0.00215 | 2006.02207,2006.03676,etc |
| nuclear activity | 48 | 20 | 2.474 | 0.002147 | 2006.00897,2006.01113,etc |
| dark photon | 78 | 22 | 3.667 | 0.002134 | 2006.03678,2006.09380,etc |
| quark matter | 126 | 15 | 8.571 | 0.002132 | 2006.02207,2006.03789,etc |
| air shower | 53 | 13 | 4.083 | 0.002128 | 2006.02228,2006.02284,etc |
| dwarf galaxy | 374 | 101 | 3.71 | 0.002126 | 2006.00449,2006.00787,etc |
| tidal deformability | 192 | 23 | 7.227 | 0.002126 | 2006.02207,2006.03676,etc |
| source function | 66 | 18 | 3.824 | 0.002124 | 2006.01809,2006.02005,etc |
|