| active galactic nucleus | AGN | 615 | 42 | 2.004612 | 0510165,0510013,etc |
| spectral energy distribution | SED | 419 | 41 | 1.002245 | 0510736,0510070,etc |
| point spread function | PSF | 479 | 38 | 2.002581 | 0510545,0510787,etc |
| cosmic microwave background | CMB | 430 | 36 | 2.002926 | 0510849,0510628,etc |
| interstellar medium | ISM | 386 | 35 | 1.001462 | 0510009,0510721,etc |
| sloan digital sky survey | SDSS | 555 | 34 | 2.002601 | 0510519,0510097,etc |
| nasa/ipac extragalactic database | NED | 60 | 29 | 1.000641 | 0510129,0510165,etc |
| star formation rate | SFR | 259 | 28 | 1.002843 | 0510070,0510513,etc |
| initial mass function | IMF | 365 | 27 | 1.004381 | 0510097,0510513,etc |
| very large array | VLA | 158 | 22 | 2.001328 | 0510787,0510775,etc |
| gamma ray burst | GRB | 830 | 20 | 2.009836 | 0510336,0510203,etc |
| equivalent width | EW | 157 | 19 | 1.001263 | 0510645,0510721,etc |
| cold dark matter | CDM | 176 | 19 | 2.002071 | 0510097,0510729,etc |
| advanced camera for surveys | ACS | 199 | 18 | 2.001448 | 0510070,0510430,etc |
| hubble space telescope | HST | 110 | 18 | 1.000951 | 0510070,0510787,etc |
| neutron star | NS | 471 | 17 | 1.007079 | 0510693,0510578,etc |
| full width at half maximum | FWHM | 93 | 17 | 1.000696 | 0510787,0510400,etc |
| asymptotic giant branch | AGB | 178 | 17 | 2.00247 | 0510560,0510035,etc |
| intergalactic medium | IGM | 242 | 17 | 2.002839 | 0510258,0510407,etc |
| signal to noise ratio | S/N | 105 | 17 | 2.000769 | 0510089,0510236,etc |
| kolmogorov smirnov | KS | 100 | 17 | 1.000797 | 0510076,0510555,etc |
| signal to noise | S/N | 69 | 16 | 1.000412 | 0510721,0510447,etc |
| very large telescope | VLT | 66 | 15 | 2.000571 | 0510070,0510795,etc |
| wolf rayet | WR | 451 | 15 | 2.0046 | 0510612,0510362,etc |
| globular cluster | GC | 1559 | 15 | 2.013128 | 0510430,0510784,etc |
| main sequence | MS | 260 | 14 | 2.001489 | 0510560,0510784,etc |
| far infrared | FIR | 95 | 14 | 2.001189 | 0510856,0510080,etc |
| astrophysical research consortium | ARC | 17 | 13 | 1.000106 | 0510371,0510124,etc |
| max planck institute for astronomy | MPIA | 13 | 13 | 1.000052 | 0510371,0510124,etc |
| max planck institute for astrophysics | MPA | 13 | 13 | 1.000052 | 0510371,0510124,etc |
| luminosity function | LF | 380 | 13 | 2.005043 | 0510054,0510499,etc |
| near infrared | NIR | 121 | 13 | 2.00452 | 0510174,0510580,etc |
| supernova | SN | 684 | 13 | 2.008002 | 0510120,0510110,etc |
| infrared space observatory | ISO | 95 | 12 | 2.001384 | 0510342,0510070,etc |
| color magnitude diagram | CMD | 111 | 12 | 1.001148 | 0510545,0510721,etc |
| red giant branch | RGB | 244 | 12 | 2.00535 | 0510721,0510784,etc |
| dark matter | DM | 310 | 12 | 2.00459 | 0510222,0510123,etc |
| two micron all sky survey | 2MASS | 96 | 12 | 1.001361 | 0510268,0510218,etc |
| lyman break galaxy | LBG | 128 | 11 | 2.007767 | 0510729,0510555,etc |
| black hole | BH | 430 | 11 | 2.006722 | 0510378,0510668,etc |
| polycyclic aromatic hydrocarbon | PAH | 362 | 11 | 2.004417 | 0510564,0510790,etc |
| magnetohydrodynamic | MHD | 91 | 10 | 1.001424 | 0510659,0510366,etc |
| large magellanic cloud | LMC | 204 | 10 | 2.00247 | 0510275,0510555,etc |
| radial velocity | RV | 154 | 9 | 1.003681 | 0510494,0510109,etc |
| space telescope imaging spectrograph | STIS | 62 | 9 | 1.000779 | 0510785,0510401,etc |
| broad line region | BLR | 110 | 9 | 2.001319 | 0510564,0510121,etc |
| equation of state | EOS | 80 | 9 | 1.002788 | 0510668,0510305,etc |
| low mass x ray binary | LMXB | 285 | 9 | 1.008176 | 0510430,0510217,etc |
| supernova remnant | SNR | 200 | 9 | 2.00409 | 0510518,0510456,etc |
| infrared | IR | 341 | 8 | 2.00453 | 0510070,0510664,etc |
| large scale structure | LSS | 80 | 8 | 1.002142 | 0510849,0510003,etc |
| star formation history | SFH | 62 | 8 | 1.001196 | 0510513,0510733,etc |
| white dwarf | WD | 297 | 8 | 2.006883 | 0510021,0510430,etc |
| field of view | FOV | 23 | 8 | 1.000841 | 0510223,0510141,etc |
| zero age main sequence | ZAMS | 30 | 8 | 1.000747 | 0510361,0510019,etc |
| position angle | PA | 114 | 8 | 2.001828 | 0510790,0510837,etc |
| european southern observatory | ESO | 29 | 8 | 1.000394 | 0510818,0510465,etc |
| quasi periodic oscillation | QPO | 196 | 8 | 2.009023 | 0510093,0510605,etc |
| star formation | SF | 389 | 8 | 2.00457 | 0510079,0510786,etc |
| great observatories origins deep survey | GOODS | 120 | 7 | 2.003786 | 0510070,0510774,etc |
| horizontal branch | HB | 109 | 7 | 2.006579 | 0510746,0510076,etc |
| burst and transient source experiment | BATSE | 36 | 7 | 2.00087 | 0510775,0510813,etc |
| new technology telescope | NTT | 21 | 7 | 1.000416 | 0510818,0510299,etc |
| supermassive black hole | SMBH | 95 | 7 | 2.003134 | 0510222,0510268,etc |
| astronomical image processing system | AIPS | 17 | 7 | 1.000404 | 0510240,0510110,etc |
| ultraviolet | UV | 146 | 7 | 2.00332 | 0510141,0510071,etc |
| local thermodynamic equilibrium | LTE | 49 | 7 | 1.001468 | 0510333,0510585,etc |
| synchrotron self compton | SSC | 31 | 7 | 2.00089 | 0510730,0510449,etc |
| inverse compton | IC | 139 | 7 | 2.001149 | 0510114,0510191,etc |
| small magellanic cloud | SMC | 54 | 7 | 1.004947 | 0510755,0510553,etc |
| singular isothermal sphere | SIS | 39 | 6 | 2.000467 | 0510097,0510222,etc |
| integrated sachs wolfe | ISW | 49 | 6 | 1.001814 | 0510849,0510003,etc |
| high mass x ray binary | HMXB | 28 | 6 | 1.001371 | 0510400,0510499,etc |
| canada france hawaii telescope | CFHT | 44 | 6 | 2.000623 | 0510826,0510447,etc |
| cross correlation function | CCF | 80 | 6 | 1.002576 | 0510721,0510561,etc |
| principal component analysis | PCA | 51 | 6 | 2.003424 | 0510564,0510231,etc |
| intra cluster medium | ICM | 91 | 6 | 2.001804 | 0510234,0510797,etc |
| national science foundation | NSF | 17 | 6 | 1.000403 | 0510089,0510583,etc |
| luminous blue variable | LBV | 58 | 6 | 2.00334 | 0510478,0510581,etc |
| adaptive optics | AO | 93 | 6 | 2.002339 | 0510478,0510278,etc |
| high energy astrophysics science archive research center | HEASARC | 8 | 6 | 1.00011 | 0510531,0510397,etc |
| pre main sequence | PMS | 47 | 6 | 1.004408 | 0510209,0510036,etc |
| very long baseline interferometry | VLBI | 37 | 6 | 1.001929 | 0510260,0510032,etc |
| milky way | MW | 75 | 6 | 2.002012 | 0510376,0510404,etc |
| planetary nebula | PN | 108 | 6 | 2.005716 | 0510428,0510091,etc |
| westerbork synthesis radio telescope | WSRT | 29 | 6 | 1.000508 | 0510495,0510440,etc |
| general relativity | GR | 26 | 5 | 2.001451 | 0510519,0510205,etc |
| young stellar object | YSO | 33 | 5 | 1.000492 | 0510342,0510361,etc |
| wide field camera | WFC | 15 | 5 | 1.000228 | 0510129,0510454,etc |
| infrared array camera | IRAC | 150 | 5 | 1.003122 | 0510070,0510664,etc |
| single stellar population | SSP | 117 | 5 | 2.002531 | 0510513,0510838,etc |
| william herschel telescope | WHT | 22 | 5 | 2.000615 | 0510438,0510448,etc |
| cerro tololo inter american observatory | CTIO | 15 | 5 | 2.00088 | 0510089,0510277,etc |
| interstellar radiation field | ISRF | 8 | 5 | 1.0001 | 0510600,0510622,etc |
| intracluster medium | ICM | 45 | 5 | 2.000629 | 0510476,0510160,etc |
| probability distribution function | PDF | 36 | 5 | 1.001103 | 0510164,0510409,etc |
| turnoff | TO | 36 | 5 | 2.000477 | 0510784,0510789,etc |
| mid infrared | MIR | 131 | 5 | 2.003093 | 0510080,0510504,etc |
| proportional counter array | PCA | 39 | 5 | 2.001751 | 0510663,0510483,etc |
| magnetohydrodynamics | MHD | 33 | 5 | 1.000634 | 0510287,0510479,etc |
|