| active galactic nucleus | AGN | 534988 | 20568 | 1.556632 | 9411096,9411100,etc |
| spectral energy distribution | SED | 235466 | 19531 | 1.503959 | 9505108,9505054,etc |
| cosmic microwave background | CMB | 245674 | 17104 | 1.58014 | 9402060,9402024,etc |
| interstellar medium | ISM | 147160 | 14893 | 1.487836 | 9405022,9405025,etc |
| point spread function | PSF | 131219 | 13393 | 1.469276 | 9601002,9601162,etc |
| sloan digital sky survey | SDSS | 175902 | 10969 | 1.555667 | 9605199,9605126,etc |
| signal to noise ratio | SNR | 84250 | 10930 | 1.367861 | 9604042,9604096,etc |
| star formation rate | SFR | 250417 | 10650 | 1.668061 | 9602004,9602127,etc |
| initial mass function | IMF | 117252 | 10156 | 1.412875 | 9601166,9601050,etc |
| dark matter | DM | 341084 | 8186 | 1.824115 | 9605001,9605110,etc |
| supernova | SN | 431506 | 7979 | 1.77737 | 9602056,9602004,etc |
| nasa/ipac extragalactic database | NED | 15587 | 7481 | 1.043646 | 9602080,9602084,etc |
| gamma ray burst | GRB | 301046 | 7315 | 1.794875 | 9508092,9508091,etc |
| markov chain monte carlo | MCMC | 37568 | 7114 | 1.237764 | 0205436,0205367,etc |
| cold dark matter | CDM | 93908 | 7090 | 1.501415 | 9402015,9402028,etc |
| field of view | FOV | 38214 | 6956 | 1.28574 | 9510064,9510103,etc |
| black hole | BH | 279398 | 6675 | 1.794462 | 9601025,9601092,etc |
| full width at half maximum | FWHM | 34686 | 6635 | 1.207338 | 9605114,9605170,etc |
| near infrared | near-IR | 78770 | 6180 | 1.563466 | 9601005,9601048,etc |
| equation of state | EOS | 106014 | 5990 | 1.640289 | 9601075,9601150,etc |
| hubble space telescope | HST | 44670 | 5737 | 1.47934 | 9508131,9508068,etc |
| asymptotic giant branch | AGB | 98714 | 5572 | 1.519054 | 9511017,9511039,etc |
| ultraviolet | UV | 125298 | 5515 | 1.615699 | 9411096,9411100,etc |
| infrared | IR | 193379 | 5370 | 1.810268 | 9411096,9411100,etc |
| equivalent width | EW | 68700 | 5335 | 1.592672 | 9510064,9510065,etc |
| supernova remnant | SNR | 128121 | 5028 | 1.678267 | 9603111,9603066,etc |
| intergalactic medium | IGM | 62094 | 5003 | 1.5192 | 9601141,9601166,etc |
| gravitational wave | GW | 159712 | 4976 | 1.846138 | 0101042,0101022,etc |
| very large array | VLA | 48483 | 4948 | 1.461887 | 9604148,9604163,etc |
| neutron star | NS | 146718 | 4852 | 1.874378 | 9602129,9602042,etc |
| supermassive black hole | SMBH | 73283 | 4511 | 1.524689 | 9901374,9901008,etc |
| main sequence | MS | 89438 | 4313 | 1.698866 | 9511017,9511144,etc |
| general relativity | GR | 60971 | 4263 | 1.66379 | 9505065,9505069,etc |
| white dwarf | WD | 135698 | 4164 | 1.619988 | 9602017,9602089,etc |
| radial velocity | RV | 102774 | 4143 | 1.772573 | 9712313,9712312,etc |
| magnetohydrodynamic | MHD | 52344 | 4139 | 1.646893 | 9601028,9601095,etc |
| signal to noise | S/N | 26301 | 4023 | 1.359016 | 9512051,9512169,etc |
| red giant branch | RGB | 67565 | 3920 | 1.653656 | 9511017,9511039,etc |
| large magellanic cloud | LMC | 80496 | 3898 | 1.620192 | 9312008,9312050,etc |
| color magnitude diagram | CMD | 49547 | 3820 | 1.610984 | 9602132,9602057,etc |
| globular cluster | GC | 259972 | 3719 | 1.914343 | 9509115,9509063,etc |
| kolmogorov smirnov | K-S | 16211 | 3590 | 1.207302 | 9601177,9601013,etc |
| milky way | MW | 59022 | 3478 | 1.552897 | 9809275,9809304,etc |
| line of sight | LOS | 30699 | 3433 | 1.446741 | 9707327,9707334,etc |
| very large telescope | VLT | 15524 | 3429 | 1.247989 | 9811425,9811173,etc |
| standard model | SM | 59849 | 3429 | 1.708063 | 9903484,9903262,etc |
| european space agency | ESA | 6250 | 3263 | 1.045393 | 0109137,0109173,etc |
| young stellar object | YSO | 59856 | 3235 | 1.549232 | 9705203,9705252,etc |
| luminosity function | LF | 77233 | 3114 | 1.684096 | 9508027,9508139,etc |
| cosmic ray | CR | 123809 | 3098 | 1.776103 | 9603144,9603111,etc |
| local thermodynamic equilibrium | LTE | 33995 | 3038 | 1.360019 | 9607087,9607078,etc |
| far infrared | FIR | 42421 | 3006 | 1.593601 | 9603161,9603111,etc |
| inverse compton | IC | 40109 | 2993 | 1.640621 | 9608064,9608152,etc |
| low mass x ray binary | LMXB | 33339 | 2956 | 1.485717 | 9605186,9605011,etc |
| broad line region | BLR | 40173 | 2943 | 1.533726 | 9603096,9603161,etc |
| polycyclic aromatic hydrocarbon | PAH | 60840 | 2838 | 1.487093 | 9706260,9706261,etc |
| large scale structure | LSS | 20887 | 2825 | 1.322362 | 9610119,9610185,etc |
| star formation history | SFH | 42567 | 2792 | 1.547194 | 9705006,9705005,etc |
| big bang nucleosynthesis | BBN | 28691 | 2791 | 1.423975 | 9405022,9405004,etc |
| probability distribution function | PDF | 36455 | 2731 | 1.492709 | 9606088,9606005,etc |
| intracluster medium | ICM | 42352 | 2721 | 1.622253 | 9607063,9607126,etc |
| smoothed particle hydrodynamics | SPH | 31620 | 2689 | 1.458187 | 9402062,9402015,etc |
| three dimensional | 3D | 33308 | 2680 | 1.481184 | 9701142,9701050,etc |
| weakly interacting massive particle | WIMP | 46009 | 2672 | 1.542379 | 9702094,9702037,etc |
| two micron all sky survey | 2MASS | 23449 | 2615 | 1.40304 | 9905391,9905168,etc |
| max planck institute for astronomy | MPIA | 2724 | 2605 | 1.000092 | 0105401,0105138,etc |
| data processing and analysis consortium | DPAC | 5333 | 2590 | 1.00217 | 1009.4583,1009.1748,etc |
| max planck institute for astrophysics | MPA | 3516 | 2584 | 1.014856 | 0105401,0105138,etc |
| european research council | ERC | 3922 | 2532 | 1.000204 | 1103.4153,1103.1640,etc |
| position angle | PA | 27540 | 2514 | 1.501161 | 9601002,9601165,etc |
| zero age main sequence | ZAMS | 12520 | 2445 | 1.266973 | 9609160,9609153,etc |
| coronal mass ejection | CME | 96611 | 2416 | 1.578799 | 0202046,0202515,etc |
| large area telescope | LAT | 35134 | 2407 | 1.667516 | 0109178,0109144,etc |
| adaptive optics | AO | 31986 | 2355 | 1.575988 | 9907004,9907290,etc |
| planetary nebula | PN | 89593 | 2347 | 1.808258 | 9604082,9604030,etc |
| small magellanic cloud | SMC | 44944 | 2317 | 1.578234 | 9606165,9606134,etc |
| advanced camera for surveys | ACS | 24213 | 2317 | 1.523621 | 0007239,0007228,etc |
| very long baseline interferometry | VLBI | 26158 | 2233 | 1.481155 | 9603140,9603161,etc |
| adaptive mesh refinement | AMR | 11687 | 2213 | 1.237207 | 9910446,9910224,etc |
| probability density function | PDF | 23342 | 2186 | 1.452896 | 9803189,9803120,etc |
| wolf rayet | WR | 51871 | 2164 | 1.611581 | 9604053,9604054,etc |
| full width half maximum | FWHM | 10054 | 2142 | 1.245794 | 9601196,9601174,etc |
| mid infrared | MIR | 33770 | 2136 | 1.550387 | 9803108,9803162,etc |
| giant molecular cloud | GMC | 34739 | 2111 | 1.498676 | 9604053,9604173,etc |
| cataclysmic variable | CV | 41907 | 2078 | 1.614431 | 9605125,9605089,etc |
| star formation | SF | 83120 | 2052 | 1.839926 | 9701013,9701235,etc |
| horizontal branch | HB | 51919 | 2042 | 1.665295 | 9509115,9509063,etc |
| canada france hawaii telescope | CFHT | 16263 | 2039 | 1.382115 | 9601047,9601014,etc |
| science and technology facilities council | STFC | 3409 | 2032 | 1.012022 | 0709.4380,0709.4608,etc |
| two dimensional | 2D | 17894 | 2030 | 1.450667 | 9706043,9706132,etc |
| deutsche forschungsgemeinschaft | DFG | 2621 | 1953 | 1.000157 | 9610122,9610062,etc |
| monte carlo | MC | 19419 | 1945 | 1.532859 | 9809363,9809009,etc |
| atacama large millimeter/submillimeter array | ALMA | 34667 | 1927 | 1.698411 | 0611639,0611874,etc |
| quasi periodic oscillation | QPO | 49599 | 1903 | 1.682751 | 9607110,9607051,etc |
| radio frequency interference | RFI | 15672 | 1903 | 1.340009 | 9601197,9601066,etc |
| brightest cluster galaxy | BCG | 46411 | 1884 | 1.551404 | 9703107,9703099,etc |
| australia telescope compact array | ATCA | 13375 | 1862 | 1.414611 | 9601016,9601162,etc |
| pre main sequence | PMS | 26753 | 1850 | 1.540484 | 9701145,9701006,etc |
| very high energy | VHE | 22844 | 1841 | 1.587164 | 9706144,9706143,etc |
| colour magnitude diagram | CMD | 25200 | 1840 | 1.624682 | 9602132,9602066,etc |
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