| active galactic nucleus | AGN | 1571 | 65 | 2.004347 | 0806.3272,0806.4831,etc |
| spectral energy distribution | SED | 623 | 55 | 2.001705 | 0806.0609,0806.3106,etc |
| cosmic microwave background | CMB | 698 | 52 | 2.00302 | 0806.4082,0806.3758,etc |
| interstellar medium | ISM | 473 | 43 | 2.001882 | 0806.3460,0806.0609,etc |
| sloan digital sky survey | SDSS | 584 | 36 | 1.003318 | 0806.2981,0806.2969,etc |
| cold dark matter | CDM | 232 | 35 | 1.002152 | 0806.3080,0806.2872,etc |
| star formation rate | SFR | 740 | 31 | 2.003352 | 0806.4388,0806.3460,etc |
| point spread function | PSF | 228 | 28 | 1.000798 | 0806.3106,0806.4616,etc |
| initial mass function | IMF | 222 | 28 | 2.001272 | 0806.1045,0806.2663,etc |
| equation of state | EOS | 429 | 26 | 1.003395 | 0806.4082,0806.0824,etc |
| gamma ray burst | GRB | 907 | 22 | 2.00902 | 0806.3597,0806.3705,etc |
| supernova remnant | SNR | 349 | 22 | 2.006409 | 0806.1200,0806.3748,etc |
| wilkinson microwave anisotropy probe | WMAP | 234 | 21 | 2.004216 | 0806.3758,0806.0520,etc |
| supernova | SN | 607 | 20 | 1.009321 | 0806.3460,0806.3276,etc |
| signal to noise ratio | SNR | 133 | 20 | 1.000897 | 0806.1591,0806.4937,etc |
| full width at half maximum | FWHM | 102 | 20 | 1.001171 | 0806.4136,0806.3791,etc |
| dark matter | DM | 700 | 19 | 2.0078 | 0806.1962,0806.4543,etc |
| near infrared | NIR | 262 | 19 | 1.001901 | 0806.4136,0806.0015,etc |
| intergalactic medium | IGM | 343 | 18 | 2.002463 | 0806.3460,0806.2663,etc |
| hubble space telescope | HST | 131 | 18 | 1.001621 | 0806.3049,0806.1842,etc |
| black hole | BH | 371 | 17 | 2.004017 | 0806.1072,0806.4570,etc |
| globular cluster | GC | 1038 | 16 | 2.010589 | 0806.3049,0806.3979,etc |
| nasa/ipac extragalactic database | NED | 67 | 16 | 1.000891 | 0806.2969,0806.0471,etc |
| equivalent width | EW | 313 | 16 | 2.002675 | 0806.4101,0806.3640,etc |
| field of view | FOV | 87 | 16 | 1.005146 | 0806.3369,0806.0297,etc |
| weakly interacting massive particle | WIMP | 363 | 15 | 1.007166 | 0806.2981,0806.3746,etc |
| supermassive black hole | SBH | 122 | 15 | 1.002586 | 0806.4570,0806.4616,etc |
| intracluster medium | ICM | 252 | 14 | 2.003001 | 0806.1929,0806.0382,etc |
| main sequence | MS | 366 | 14 | 2.003005 | 0806.4346,0806.0927,etc |
| asymptotic giant branch | AGB | 367 | 14 | 2.003321 | 0806.4346,0806.3933,etc |
| magnetohydrodynamic | MHD | 162 | 14 | 1.002266 | 0806.4197,0806.2728,etc |
| luminosity function | LF | 465 | 13 | 2.007793 | 0806.0018,0806.1232,etc |
| smoothed particle hydrodynamics | SPH | 79 | 13 | 1.000749 | 0806.0018,0806.3272,etc |
| ultraviolet | UV | 223 | 13 | 2.004461 | 0806.3272,0806.3276,etc |
| young stellar object | YSO | 178 | 13 | 1.002172 | 0806.0609,0806.2306,etc |
| radial velocity | RV | 225 | 13 | 2.002838 | 0806.1521,0806.4008,etc |
| max planck institute for astronomy | MPIA | 12 | 12 | 1.000035 | 0806.0018,0806.4388,etc |
| max planck institute for astrophysics | MPA | 15 | 12 | 1.000113 | 0806.0018,0806.4388,etc |
| inverse compton | IC | 139 | 12 | 2.000857 | 0806.3272,0806.2545,etc |
| white dwarf | WD | 255 | 12 | 1.004667 | 0806.0015,0806.3729,etc |
| kolmogorov smirnov | KS | 42 | 11 | 1.00035 | 0806.3106,0806.1045,etc |
| infrared | IR | 293 | 11 | 2.00197 | 0806.3208,0806.4584,etc |
| standard model | SM | 131 | 10 | 2.002782 | 0806.3746,0806.3597,etc |
| markov chain monte carlo | MCMC | 67 | 10 | 2.000356 | 0806.1962,0806.4616,etc |
| large scale structure | LSS | 76 | 10 | 2.001687 | 0806.1842,0806.0602,etc |
| big bang nucleosynthesis | BBN | 134 | 10 | 2.002935 | 0806.3266,0806.1493,etc |
| signal to noise | S/N | 104 | 10 | 1.001021 | 0806.0897,0806.0625,etc |
| planetary nebula | PN | 285 | 10 | 1.004565 | 0806.3933,0806.4261,etc |
| wolf rayet | WR | 269 | 10 | 1.006769 | 0806.1891,0806.4968,etc |
| cosmic ray | CR | 174 | 9 | 2.003175 | 0806.3272,0806.3381,etc |
| low mass x ray binary | LMXB | 292 | 9 | 2.004424 | 0806.0962,0806.1419,etc |
| milky way | MW | 78 | 9 | 1.002421 | 0806.3049,0806.2872,etc |
| adaptive mesh refinement | AMR | 68 | 9 | 2.000401 | 0806.4570,0806.1045,etc |
| polycyclic aromatic hydrocarbon | PAH | 358 | 9 | 1.007899 | 0806.2158,0806.2758,etc |
| line of sight | LOS | 71 | 9 | 2.001209 | 0806.0245,0806.2897,etc |
| star formation history | SFH | 228 | 9 | 2.006515 | 0806.3369,0806.0662,etc |
| neutron star | NS | 104 | 8 | 2.00103 | 0806.0962,0806.2794,etc |
| quasi periodic oscillation | QPO | 213 | 8 | 1.006345 | 0806.0962,0806.1531,etc |
| very high energy | VHE | 95 | 8 | 2.002043 | 0806.2981,0806.2545,etc |
| zero age main sequence | ZAMS | 67 | 8 | 1.000729 | 0806.1811,0806.0865,etc |
| very large array | VLA | 96 | 8 | 2.002254 | 0806.4616,0806.4089,etc |
| adaptive optics | AO | 134 | 8 | 2.001743 | 0806.4136,0806.0468,etc |
| red giant branch | RGB | 145 | 8 | 2.003827 | 0806.4346,0806.3933,etc |
| colour magnitude diagram | CMD | 33 | 8 | 1.000899 | 0806.0015,0806.4930,etc |
| baryon acoustic oscillation | BAO | 134 | 8 | 1.003414 | 0806.1437,0806.0937,etc |
| color magnitude diagram | CMD | 87 | 8 | 1.001536 | 0806.0861,0806.2818,etc |
| ultraluminous infrared galaxy | ULIRG | 57 | 7 | 1.001984 | 0806.0018,0806.0217,etc |
| baryon acoustic oscillations | BAO | 86 | 7 | 2.003704 | 0806.4082,0806.2835,etc |
| intra cluster medium | ICM | 68 | 7 | 2.002041 | 0806.3272,0806.4543,etc |
| rotation measure | RM | 180 | 7 | 2.006675 | 0806.3272,0806.0572,etc |
| general relativity | GR | 117 | 7 | 2.001264 | 0806.3080,0806.4380,etc |
| far infrared | FIR | 174 | 7 | 2.003647 | 0806.4616,0806.3457,etc |
| dwarf spheroidal | dSph | 97 | 7 | 2.00116 | 0806.4381,0806.2402,etc |
| brightest cluster galaxy | BCG | 240 | 7 | 1.002196 | 0806.0384,0806.0382,etc |
| european southern observatory | ESO | 36 | 7 | 1.00046 | 0806.4136,0806.1229,etc |
| friedmann robertson walker | FRW | 25 | 7 | 1.000538 | 0806.2805,0806.3158,etc |
| very large telescope | VLT | 42 | 7 | 1.000933 | 0806.3369,0806.1129,etc |
| very long baseline array | VLBA | 44 | 7 | 2.001379 | 0806.4635,0806.4261,etc |
| high mass x ray binary | HMXB | 73 | 7 | 1.001513 | 0806.1880,0806.1973,etc |
| cataclysmic variable | CV | 83 | 7 | 2.002893 | 0806.1880,0806.1358,etc |
| two micron all sky survey | 2MASS | 268 | 7 | 1.009561 | 0806.4227,0806.3781,etc |
| rossi x ray timing explorer | RXTE | 62 | 6 | 1.000627 | 0806.0962,0806.4149,etc |
| x ray telescope | XRT | 42 | 6 | 2.001915 | 0806.0265,0806.1855,etc |
| minimal supersymmetric standard model | MSSM | 73 | 6 | 2.002504 | 0806.3746,0806.1962,etc |
| gamma ray large area space telescope | GLAST | 72 | 6 | 2.002721 | 0806.3746,0806.0431,etc |
| gravitational wave | GW | 76 | 6 | 2.001394 | 0806.1591,0806.1828,etc |
| mid infrared | MIR | 209 | 6 | 2.004617 | 0806.0609,0806.3278,etc |
| submillimeter array | SMA | 70 | 6 | 1.000831 | 0806.3106,0806.4008,etc |
| probability density function | PDF | 37 | 6 | 2.001121 | 0806.1045,0806.0331,etc |
| william herschel telescope | WHT | 52 | 6 | 2.001322 | 0806.2969,0806.1129,etc |
| extreme ultraviolet | EUV | 47 | 6 | 2.003463 | 0806.4742,0806.4253,etc |
| star formation rates | SFR | 58 | 6 | 2.007142 | 0806.2047,0806.2060,etc |
| james clerk maxwell telescope | JCMT | 40 | 6 | 1.000437 | 0806.3791,0806.3002,etc |
| infrared array camera | IRAC | 290 | 6 | 1.002962 | 0806.2488,0806.4778,etc |
| lyman break galaxy | LBG | 36 | 6 | 1.000945 | 0806.3090,0806.4604,etc |
| ultra luminous infrared galaxy | ULIRG | 28 | 6 | 1.000307 | 0806.3002,0806.0618,etc |
| broad line region | BLR | 58 | 6 | 2.003792 | 0806.2485,0806.1464,etc |
| science and technology facilities council | STFC | 10 | 6 | 1.000149 | 0806.0015,0806.2773,etc |
| science analysis system | SAS | 15 | 6 | 1.000208 | 0806.0245,0806.1445,etc |
| advanced camera for surveys | ACS | 78 | 6 | 2.001836 | 0806.1056,0806.3457,etc |