| active galactic nucleus | AGN | 2959 | 119 | 1.004974 | 2012.00008,2012.00011,etc |
| spectral energy distribution | SED | 1422 | 119 | 2.001901 | 2012.00016,2012.00019,etc |
| cosmic microwave background | CMB | 1278 | 106 | 2.002932 | 2012.00024,2012.00028,etc |
| signal to noise ratio | SNR | 755 | 98 | 2.001129 | 2012.00049,2012.00580,etc |
| markov chain monte carlo | MCMC | 399 | 93 | 1.00064 | 2012.00026,2012.00046,etc |
| point spread function | PSF | 1229 | 89 | 2.004191 | 2012.00169,2012.00182,etc |
| interstellar medium | ISM | 860 | 85 | 2.001165 | 2012.00026,2012.00146,etc |
| gravitational wave | GW | 3132 | 78 | 2.006296 | 2012.00011,2012.00026,etc |
| dark matter | DM | 3447 | 78 | 2.008694 | 2012.00111,2012.00977,etc |
| european space agency | ESA | 123 | 71 | 1.000511 | 2012.00036,2012.00099,etc |
| data processing and analysis consortium | DPAC | 144 | 66 | 1.000216 | 2012.00036,2012.00099,etc |
| star formation rate | SFR | 1556 | 63 | 2.003669 | 2012.00028,2012.00146,etc |
| european research council | ERC | 95 | 60 | 1.000129 | 2012.00008,2012.00011,etc |
| field of view | FOV | 407 | 55 | 1.001274 | 2012.00005,2012.00008,etc |
| sloan digital sky survey | SDSS | 731 | 55 | 1.002895 | 2012.00090,2012.00099,etc |
| black hole | BH | 2370 | 54 | 2.008046 | 2012.00022,2012.00160,etc |
| full width at half maximum | FWHM | 241 | 51 | 1.000956 | 2012.00008,2012.00520,etc |
| ultraviolet | UV | 1797 | 45 | 2.008567 | 2012.00169,2012.00510,etc |
| equation of state | EoS | 877 | 45 | 1.004538 | 2012.00586,2012.01242,etc |
| near infrared | NIR | 629 | 43 | 2.002034 | 2012.00016,2012.00026,etc |
| initial mass function | IMF | 322 | 43 | 1.003028 | 2012.00022,2012.00026,etc |
| standard model | SM | 661 | 41 | 2.001864 | 2012.00896,2012.03660,etc |
| hubble space telescope | HST | 275 | 38 | 2.000938 | 2012.00042,2012.00080,etc |
| gamma ray burst | GRB | 1377 | 38 | 1.007704 | 2012.00879,2012.01120,etc |
| cold dark matter | CDM | 724 | 36 | 2.003003 | 2012.00737,2012.02474,etc |
| supernova | SN | 1896 | 35 | 2.010239 | 2012.00022,2012.00042,etc |
| asymptotic giant branch | AGB | 461 | 33 | 2.002242 | 2012.00140,2012.00329,etc |
| radial velocity | RV | 751 | 33 | 2.003676 | 2012.00182,2012.00329,etc |
| neutron star | NS | 1390 | 32 | 2.006663 | 2012.00011,2012.00022,etc |
| main sequence | MS | 889 | 32 | 2.003435 | 2012.00022,2012.00510,etc |
| dark energy survey | DES | 880 | 32 | 1.002768 | 2012.00099,2012.00171,etc |
| line of sight | LOS | 194 | 32 | 1.000948 | 2012.00977,2012.01371,etc |
| large magellanic cloud | LMC | 624 | 31 | 2.004438 | 2012.00019,2012.00521,etc |
| deutsche forschungsgemeinschaft | DFG | 59 | 31 | 1.000165 | 2012.00019,2012.00757,etc |
| milky way | MW | 348 | 31 | 1.001463 | 2012.00022,2012.00036,etc |
| general relativity | GR | 426 | 31 | 2.001535 | 2012.00029,2012.00046,etc |
| supermassive black hole | SMBH | 298 | 31 | 2.001525 | 2012.00049,2012.00761,etc |
| infrared | IR | 894 | 30 | 2.003391 | 2012.00026,2012.00080,etc |
| science and technology facilities council | STFC | 56 | 30 | 1.000322 | 2012.00580,2012.00668,etc |
| magnetohydrodynamic | MHD | 385 | 30 | 2.002168 | 2012.00811,2012.00879,etc |
| equivalent width | EW | 489 | 29 | 2.00402 | 2012.00016,2012.02415,etc |
| electromagnetic | EM | 422 | 29 | 2.002559 | 2012.00026,2012.02796,etc |
| very large array | VLA | 266 | 29 | 1.001137 | 2012.00146,2012.00769,etc |
| intergalactic medium | IGM | 309 | 29 | 1.000987 | 2012.00727,2012.00770,etc |
| very large telescope | VLT | 108 | 28 | 1.000621 | 2012.00021,2012.01430,etc |
| signal to noise | S/N | 291 | 28 | 2.001186 | 2012.00750,2012.00809,etc |
| radio frequency interference | RFI | 256 | 27 | 1.005325 | 2012.00028,2012.00747,etc |
| root mean square | RMS | 155 | 27 | 1.000772 | 2012.01533,2012.01997,etc |
| large scale structure | LSS | 119 | 26 | 1.000645 | 2012.01683,2012.02761,etc |
| red giant branch | RGB | 671 | 25 | 2.003986 | 2012.00015,2012.00140,etc |
| white dwarf | WD | 1102 | 25 | 2.009357 | 2012.00022,2012.00049,etc |
| probability distribution function | PDF | 600 | 25 | 1.004052 | 2012.00186,2012.00791,etc |
| atacama large millimeter/submillimeter array | ALMA | 522 | 25 | 2.00255 | 2012.00189,2012.01433,etc |
| very long baseline interferometry | VLBI | 207 | 25 | 1.001707 | 2012.01348,2012.02812,etc |
| astrophysik potsdam | AIP | 25 | 23 | 1.000067 | 2012.00015,2012.00090,etc |
| association of universities for research in astronomy | AURA | 24 | 23 | 1.000056 | 2012.00016,2012.00026,etc |
| local thermodynamic equilibrium | LTE | 160 | 23 | 1.0008 | 2012.00023,2012.01330,etc |
| globular cluster | GC | 1418 | 23 | 2.010183 | 2012.00510,2012.00520,etc |
| coronal mass ejection | CME | 694 | 23 | 1.005292 | 2012.00786,2012.00916,etc |
| big bang nucleosynthesis | BBN | 170 | 23 | 2.001024 | 2012.06882,2012.07494,etc |
| color magnitude diagram | CMD | 412 | 22 | 1.002829 | 2012.00099,2012.00520,etc |
| nasa/ipac extragalactic database | NED | 53 | 22 | 2.000303 | 2012.00757,2012.01344,etc |
| extremely large telescope | ELT | 115 | 22 | 1.001536 | 2012.01120,2012.01586,etc |
| three dimensional | 3D | 207 | 22 | 2.001591 | 2012.01452,2012.04890,etc |
| adaptive optics | AO | 429 | 22 | 1.005841 | 2012.02336,2012.04959,etc |
| primordial black hole | PBH | 1246 | 22 | 2.007517 | 2012.02761,2012.02786,etc |
| supernova remnant | SNR | 483 | 21 | 2.006326 | 2012.00048,2012.00758,etc |
| kolmogorov smirnov | KS | 98 | 21 | 1.000553 | 2012.00758,2012.00819,etc |
| power spectral density | PSD | 142 | 21 | 1.000904 | 2012.01825,2012.01997,etc |
| probability density function | PDF | 140 | 20 | 1.001247 | 2012.00042,2012.01683,etc |
| inverse compton | IC | 513 | 20 | 2.004868 | 2012.00236,2012.00758,etc |
| cosmic ray | CR | 761 | 20 | 2.006607 | 2012.01038,2012.01427,etc |
| star formation history | SFH | 278 | 20 | 2.002344 | 2012.01433,2012.02285,etc |
| adaptive mesh refinement | AMR | 69 | 19 | 1.000306 | 2012.00005,2012.00767,etc |
| mikulski archive for space telescopes | MAST | 41 | 19 | 1.000297 | 2012.00026,2012.00521,etc |
| convolutional neural network | CNN | 504 | 19 | 2.003909 | 2012.00171,2012.01248,etc |
| far infrared | FIR | 234 | 19 | 1.001687 | 2012.00769,2012.01425,etc |
| natural science foundation of china | NSFC | 23 | 19 | 1.000161 | 2012.01112,2012.01825,etc |
| position angle | PA | 212 | 19 | 2.001007 | 2012.01291,2012.02225,etc |
| national science foundation | NSF | 46 | 18 | 2.000677 | 2012.00019,2012.00099,etc |
| fast radio burst | FRB | 1078 | 18 | 2.00839 | 2012.00029,2012.01683,etc |
| colour magnitude diagram | CMD | 319 | 18 | 2.002204 | 2012.00140,2012.00510,etc |
| far ultraviolet | FUV | 384 | 18 | 1.00219 | 2012.00146,2012.00510,etc |
| two dimensional | 2D | 214 | 18 | 1.003009 | 2012.00811,2012.00916,etc |
| european southern observatory | ESO | 45 | 17 | 1.000633 | 2012.00021,2012.05559,etc |
| friends of friends | FoF | 55 | 17 | 1.000305 | 2012.00025,2012.00775,etc |
| binary neutron star | BNS | 370 | 17 | 2.004644 | 2012.00049,2012.03070,etc |
| innermost stable circular orbit | ISCO | 62 | 17 | 1.000665 | 2012.00160,2012.02274,etc |
| active region | AR | 477 | 17 | 2.004845 | 2012.01008,2012.01210,etc |
| young stellar object | YSO | 149 | 17 | 1.000887 | 2012.02648,2012.04082,etc |
| max planck institut f"ur extraterrestrische physik | MPE | 17 | 16 | 1.000073 | 2012.00015,2012.00090,etc |
| principal component analysis | PCA | 102 | 16 | 1.001317 | 2012.00772,2012.01460,etc |
| integral field unit | IFU | 75 | 16 | 1.000937 | 2012.00918,2012.01113,etc |
| extreme ultraviolet | EUV | 210 | 16 | 1.001628 | 2012.01425,2012.05728,etc |
| square kilometre array | SKA | 117 | 16 | 1.001853 | 2012.01842,2012.03008,etc |
| monte carlo | MC | 234 | 15 | 2.001894 | 2012.00042,2012.00918,etc |
| broad line region | BLR | 171 | 15 | 2.001634 | 2012.01785,2012.04906,etc |
| mid infrared | MIR | 276 | 14 | 1.002776 | 2012.00016,2012.00367,etc |
| giant molecular cloud | GMC | 387 | 14 | 1.003889 | 2012.00019,2012.01330,etc |
| binary black hole | BBH | 265 | 14 | 2.002869 | 2012.00049,2012.04978,etc |
|