| cosmic microwave background | CMB | 568 | 27 | 1.002735 | 0206173,0206350,etc |
| cold dark matter | CDM | 236 | 24 | 2.002987 | 0206207,0206262,etc |
| spectral energy distribution | SED | 359 | 23 | 2.00196 | 0206343,0206231,etc |
| point spread function | PSF | 123 | 20 | 2.000757 | 0206147,0206160,etc |
| active galactic nucleus | AGN | 312 | 19 | 1.002777 | 0206190,0206433,etc |
| nasa/ipac extragalactic database | NED | 41 | 19 | 1.000383 | 0206165,0206231,etc |
| interstellar medium | ISM | 195 | 16 | 1.002778 | 0206279,0206285,etc |
| gamma ray burst | GRB | 451 | 16 | 2.005674 | 0206288,0206511,etc |
| star formation rate | SFR | 105 | 14 | 1.000586 | 0206165,0206295,etc |
| near infrared | NIR | 178 | 13 | 1.00136 | 0206433,0206147,etc |
| intergalactic medium | IGM | 214 | 13 | 1.002328 | 0206293,0206319,etc |
| full width at half maximum | FWHM | 48 | 12 | 1.00032 | 0206433,0206147,etc |
| sloan digital sky survey | SDSS | 295 | 12 | 2.003023 | 0206289,0206293,etc |
| initial mass function | IMF | 149 | 12 | 1.001059 | 0206446,0206037,etc |
| hubble space telescope | HST | 74 | 11 | 2.000952 | 0206213,0206295,etc |
| asymptotic giant branch | AGB | 288 | 11 | 1.002021 | 0206200,0206276,etc |
| luminosity function | LF | 204 | 10 | 2.003536 | 0206441,0206510,etc |
| signal to noise ratio | SNR | 117 | 9 | 2.001259 | 0206099,0206160,etc |
| black hole | BH | 51 | 9 | 1.002096 | 0206227,0206441,etc |
| supernova | SN | 380 | 9 | 2.005759 | 0206160,0206183,etc |
| low mass x ray binary | LMXB | 150 | 9 | 1.007 | 0206493,0206174,etc |
| equivalent width | EW | 133 | 8 | 2.004546 | 0206480,0206424,etc |
| supernova remnant | SNR | 125 | 8 | 2.002115 | 0206030,0206330,etc |
| colour magnitude diagram | CMD | 79 | 8 | 2.001025 | 0206444,0206147,etc |
| very large array | VLA | 37 | 8 | 1.001177 | 0206160,0206053,etc |
| zero age main sequence | ZAMS | 50 | 8 | 1.000545 | 0206037,0206003,etc |
| white dwarf | WD | 212 | 7 | 2.004158 | 0206013,0206489,etc |
| digitized sky survey | DSS | 42 | 7 | 1.000753 | 0206433,0206160,etc |
| field of view | FOV | 51 | 7 | 1.00497 | 0206211,0206380,etc |
| singular isothermal sphere | SIS | 69 | 7 | 1.000913 | 0206040,0206441,etc |
| low surface brightness | LSB | 114 | 7 | 1.001286 | 0206447,0206320,etc |
| neutron star | NS | 232 | 7 | 1.006925 | 0206025,0206112,etc |
| very large telescope | VLT | 22 | 6 | 1.000313 | 0206433,0206147,etc |
| max planck institute for astronomy | MPIA | 6 | 6 | 1.000034 | 0206293,0206276,etc |
| max planck institute for astrophysics | MPA | 6 | 6 | 1.000034 | 0206293,0206276,etc |
| cosmic ray | CR | 107 | 6 | 2.002503 | 0206414,0206385,etc |
| wide field planetary camera 2 | WFPC2 | 72 | 6 | 2.000953 | 0206165,0206200,etc |
| full width half maximum | FWHM | 42 | 6 | 1.000635 | 0206087,0206177,etc |
| globular cluster | GC | 314 | 6 | 2.010596 | 0206295,0206019,etc |
| kolmogorov smirnov | K-S | 24 | 6 | 1.000214 | 0206299,0206144,etc |
| main sequence | MS | 135 | 6 | 2.000684 | 0206318,0206389,etc |
| large magellanic cloud | LMC | 85 | 6 | 2.00184 | 0206185,0206092,etc |
| infrared | IR | 112 | 6 | 2.00114 | 0206438,0206096,etc |
| ultraviolet | UV | 79 | 6 | 2.001327 | 0206096,0206428,etc |
| advection dominated accretion flow | ADAF | 21 | 5 | 2.001057 | 0206467,0206160,etc |
| pre main sequence | PMS | 81 | 5 | 2.001416 | 0206444,0206115,etc |
| cosmic microwave background radiation | CMB | 179 | 5 | 2.001896 | 0206211,0206461,etc |
| astrophysical research consortium | ARC | 7 | 5 | 1.000085 | 0206293,0206276,etc |
| dark matter | DM | 128 | 5 | 2.00589 | 0206058,0206304,etc |
| advanced ccd imaging spectrometer | ACIS | 43 | 5 | 1.001037 | 0206160,0206195,etc |
| intra cluster medium | ICM | 68 | 5 | 2.002536 | 0206466,0206430,etc |
| infrared space observatory | ISO | 49 | 5 | 1.001384 | 0206299,0206210,etc |
| inverse compton | IC | 47 | 5 | 2.002715 | 0206430,0206509,etc |
| smoothed particle hydrodynamics | SPH | 74 | 5 | 2.00152 | 0206365,0206428,etc |
| far infrared | FIR | 93 | 5 | 2.002749 | 0206191,0206055,etc |
| intracluster medium | ICM | 48 | 4 | 2.000783 | 0206207,0206382,etc |
| extremely red object | ERO | 53 | 4 | 1.000758 | 0206433,0206147,etc |
| circumstellar envelope | CSE | 70 | 4 | 2.001226 | 0206326,0206200,etc |
| big bang nucleosynthesis | BBN | 23 | 4 | 1.001523 | 0206173,0206488,etc |
| color magnitude diagram | CMD | 81 | 4 | 2.001648 | 0206289,0206027,etc |
| horizontal branch | HB | 69 | 4 | 2.000989 | 0206289,0206145,etc |
| far ultraviolet | FUV | 57 | 4 | 1.002386 | 0206489,0206108,etc |
| probability distribution function | PDF | 23 | 4 | 2.000388 | 0206099,0206038,etc |
| all sky monitor | ASM | 22 | 4 | 1.000748 | 0206493,0206253,etc |
| red giant branch | RGB | 75 | 4 | 1.007099 | 0206145,0206344,etc |
| sunyaev zel'dovich | SZ | 142 | 4 | 1.00075 | 0206278,0206508,etc |
| broad line region | BLR | 28 | 4 | 1.001124 | 0206176,0206164,etc |
| burst and transient source experiment | BATSE | 21 | 4 | 2.000744 | 0206377,0206072,etc |
| two dimensional | 2D | 24 | 4 | 2.000312 | 0206309,0206410,etc |
| two micron all sky survey | 2MASS | 35 | 4 | 1.000928 | 0206447,0206199,etc |
| european southern observatory | ESO | 11 | 4 | 1.000339 | 0206438,0206257,etc |
| wolf rayet | WR | 36 | 4 | 2.000923 | 0206134,0206389,etc |
| hertzsprung russell | HR | 18 | 4 | 1.000353 | 0206252,0206001,etc |
| young stellar object | YSO | 82 | 4 | 2.004183 | 0206192,0206457,etc |
| leiden/dwingeloo survey | LDS | 158 | 4 | 2.00218 | 0206198,0206333,etc |
| intermediate polar | IP | 47 | 3 | 2.002935 | 0206013,0206277,etc |
| low energy transmission grating | LETG | 38 | 3 | 2.001074 | 0206429,0206121,etc |
| pulsar | PSR | 168 | 3 | 2.005728 | 0206030,0206330,etc |
| magnetohydrodynamics | MHD | 39 | 3 | 2.003848 | 0206076,0206004,etc |
| very long baseline array | VLBA | 21 | 3 | 2.001631 | 0206326,0206222,etc |
| jet propulsion laboratory | JPL | 6 | 3 | 1.00029 | 0206260,0206373,etc |
| radial velocity | RV | 11 | 3 | 1.000942 | 0206289,0206303,etc |
| equation of state | EOS | 19 | 3 | 1.000572 | 0206111,0206142,etc |
| blackbody | BB | 26 | 3 | 1.00052 | 0206350,0206438,etc |
| monte carlo | MC | 36 | 3 | 1.003044 | 0206414,0206073,etc |
| primordial black hole | PBH | 171 | 3 | 2.006713 | 0206262,0206349,etc |
| photo dissociation region | PDR | 52 | 3 | 2.002079 | 0206279,0206108,etc |
| blue compact dwarf | BCD | 31 | 3 | 1.001457 | 0206058,0206447,etc |
| principal component analysis | PCA | 108 | 3 | 2.004017 | 0206052,0206085,etc |
| rosat all sky survey | RASS | 70 | 3 | 1.00376 | 0206227,0206291,etc |
| back illuminated | BI | 6 | 3 | 1.000023 | 0206160,0206417,etc |
| front illuminated | FI | 8 | 3 | 1.000119 | 0206160,0206417,etc |
| charge transfer efficiency | CTE | 4 | 3 | 1.000096 | 0206160,0206165,etc |
| cataclysmic variable | CV | 30 | 3 | 2.000756 | 0206160,0206474,etc |
| super star cluster | SSC | 47 | 3 | 2.001902 | 0206165,0206037,etc |
| low surface brightness galaxy | LSBG | 114 | 3 | 1.003736 | 0206157,0206510,etc |
| high surface brightness | HSB | 34 | 3 | 1.000531 | 0206157,0206320,etc |
| las campanas observatory | LCO | 9 | 3 | 1.000715 | 0206157,0206438,etc |
| planetary nebula | PN | 240 | 3 | 2.008693 | 0206200,0206177,etc |
| gamma ray bursts | GRB | 93 | 3 | 2.003435 | 0206431,0206377,etc |
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