| cosmic microwave background | CMB | 470 | 30 | 2.003764 | 0109329,0109241,etc |
| point spread function | PSF | 336 | 29 | 1.003506 | 0109512,0109279,etc |
| active galactic nucleus | AGN | 479 | 26 | 2.003056 | 0109243,0109006,etc |
| spectral energy distribution | SED | 235 | 22 | 1.00247 | 0109527,0109256,etc |
| nasa/ipac extragalactic database | NED | 32 | 18 | 1.00019 | 0109188,0109308,etc |
| interstellar medium | ISM | 131 | 15 | 1.001188 | 0109178,0109320,etc |
| cold dark matter | CDM | 227 | 14 | 2.003227 | 0109392,0109432,etc |
| initial mass function | IMF | 132 | 14 | 1.013153 | 0109537,0109256,etc |
| supernova | SN | 1180 | 13 | 2.008624 | 0109010,0109212,etc |
| color magnitude diagram | CMD | 230 | 12 | 2.001746 | 0109544,0109458,etc |
| cataclysmic variable | CV | 182 | 12 | 1.011216 | 0109311,0109136,etc |
| hubble space telescope | HST | 108 | 12 | 2.000714 | 0109531,0109511,etc |
| low mass x ray binary | LMXB | 161 | 12 | 1.002987 | 0109359,0109417,etc |
| intergalactic medium | IGM | 79 | 11 | 2.002846 | 0109531,0109241,etc |
| gamma ray burst | GRB | 331 | 11 | 2.00737 | 0109178,0109429,etc |
| star formation rate | SFR | 69 | 10 | 1.002404 | 0109079,0109540,etc |
| asymptotic giant branch | AGB | 95 | 10 | 1.003057 | 0109544,0109091,etc |
| luminosity function | LF | 206 | 10 | 2.002761 | 0109308,0109458,etc |
| equivalent width | EW | 108 | 9 | 2.001699 | 0109079,0109314,etc |
| broad absorption line | BAL | 135 | 9 | 1.011704 | 0109329,0109006,etc |
| planetary nebula | PN | 342 | 9 | 2.006323 | 0109112,0109146,etc |
| broad line region | BLR | 111 | 9 | 2.002249 | 0109346,0109208,etc |
| full width at half maximum | FWHM | 48 | 9 | 2.001654 | 0109256,0109535,etc |
| field of view | FoV | 36 | 8 | 1.000804 | 0109476,0109178,etc |
| blue compact dwarf | BCD | 116 | 8 | 1.004077 | 0109335,0109519,etc |
| sunyaev zel'dovich | SZ | 90 | 7 | 2.003091 | 0109329,0109162,etc |
| very large array | VLA | 37 | 7 | 2.001237 | 0109262,0109421,etc |
| white dwarf | WD | 75 | 7 | 1.00366 | 0109149,0109544,etc |
| red giant branch | RGB | 148 | 7 | 2.002082 | 0109544,0109492,etc |
| space telescope imaging spectrograph | STIS | 76 | 7 | 2.004641 | 0109531,0109100,etc |
| signal to noise | S/N | 37 | 7 | 2.000271 | 0109540,0109157,etc |
| globular cluster | GC | 462 | 7 | 2.014707 | 0109112,0109219,etc |
| inverse compton | IC | 80 | 7 | 2.001206 | 0109145,0109523,etc |
| near infrared | NIR | 55 | 7 | 2.001838 | 0109550,0109307,etc |
| zero age main sequence | ZAMS | 39 | 7 | 2.001005 | 0109159,0109503,etc |
| all sky monitor | ASM | 97 | 7 | 2.002431 | 0109359,0109180,etc |
| local group | LG | 82 | 6 | 2.00244 | 0109548,0109121,etc |
| advection dominated accretion flow | ADAF | 71 | 6 | 1.003336 | 0109423,0109468,etc |
| infrared | IR | 130 | 6 | 2.005063 | 0109234,0109307,etc |
| signal to noise ratio | S/N | 28 | 6 | 1.000427 | 0109531,0109518,etc |
| australia telescope compact array | ATCA | 22 | 6 | 2.000406 | 0109143,0109479,etc |
| main sequence | MS | 102 | 6 | 1.002179 | 0109377,0109147,etc |
| probability distribution function | PDF | 79 | 6 | 1.002771 | 0109001,0109378,etc |
| horizontal branch | HB | 532 | 6 | 2.008291 | 0109121,0109203,etc |
| first ionization potential | FIP | 125 | 5 | 1.010675 | 0109416,0109264,etc |
| lyman break galaxy | LBG | 163 | 5 | 1.006112 | 0109396,0109252,etc |
| william herschel telescope | WHT | 13 | 5 | 1.000378 | 0109421,0109511,etc |
| faint object spectrograph | FOS | 43 | 5 | 2.000574 | 0109531,0109310,etc |
| dark matter | DM | 165 | 5 | 2.002029 | 0109112,0109492,etc |
| infrared space observatory | ISO | 84 | 5 | 2.00443 | 0109146,0109033,etc |
| low resolution imaging spectrograph | LRIS | 12 | 5 | 1.001124 | 0109249,0109256,etc |
| narrow line region | NLR | 37 | 5 | 2.000543 | 0109346,0109338,etc |
| soft x ray transient | SXT | 26 | 5 | 1.000742 | 0109346,0109538,etc |
| proportional counter array | PCA | 23 | 5 | 1.000632 | 0109527,0109240,etc |
| very large telescope | VLT | 25 | 5 | 1.000409 | 0109285,0109407,etc |
| very long baseline array | VLBA | 34 | 5 | 1.001663 | 0109098,0109419,etc |
| far infrared | FIR | 77 | 5 | 1.001863 | 0109419,0109448,etc |
| low surface brightness | LSB | 61 | 5 | 1.000899 | 0109256,0109518,etc |
| advanced ccd imaging spectrometer | ACIS | 24 | 5 | 2.000327 | 0109488,0109401,etc |
| intra cluster medium | ICM | 53 | 5 | 2.002648 | 0109108,0109387,etc |
| big bang nucleosynthesis | BBN | 23 | 5 | 1.002145 | 0109414,0109097,etc |
| kolmogorov smirnov | K-S | 30 | 5 | 1.000661 | 0109121,0109277,etc |
| high mass x ray binary | HMXB | 80 | 5 | 2.002378 | 0109386,0109521,etc |
| sloan digital sky survey | SDSS | 14 | 5 | 1.000356 | 0109313,0109331,etc |
| wide field camera | WFC | 8 | 5 | 1.000336 | 0109240,0109069,etc |
| cross correlation function | CCF | 97 | 4 | 1.002109 | 0109491,0109259,etc |
| intracluster medium | ICM | 59 | 4 | 1.000973 | 0109329,0109177,etc |
| two micron all sky survey | 2MASS | 49 | 4 | 2.003704 | 0109544,0109403,etc |
| distribution function | DF | 39 | 4 | 2.001602 | 0109118,0109112,etc |
| neutron star | NS | 156 | 4 | 1.004092 | 0109374,0109353,etc |
| giant molecular cloud | GMC | 20 | 4 | 2.000682 | 0109341,0109307,etc |
| supernova remnant | SNR | 27 | 4 | 1.000869 | 0109302,0109556,etc |
| westerbork synthesis radio telescope | WSRT | 13 | 4 | 1.000812 | 0109320,0109108,etc |
| rotation measure | RM | 188 | 4 | 2.005286 | 0109177,0109338,etc |
| position angle | PA | 79 | 4 | 2.001044 | 0109527,0109277,etc |
| wolf rayet | WR | 36 | 4 | 2.000658 | 0109395,0109169,etc |
| high resolution imager | HRI | 88 | 4 | 2.001499 | 0109359,0109488,etc |
| position sensitive proportional counter | PSPC | 31 | 4 | 2.000963 | 0109488,0109212,etc |
| small magellanic cloud | SMC | 32 | 4 | 1.001914 | 0109013,0109293,etc |
| fast fourier transform | FFT | 17 | 4 | 1.00043 | 0109001,0109223,etc |
| synchrotron self compton | SSC | 77 | 4 | 1.005526 | 0109523,0109081,etc |
| large scale structure | LSS | 26 | 4 | 2.001546 | 0109288,0109404,etc |
| large magellanic cloud | LMC | 82 | 4 | 2.010758 | 0109147,0109224,etc |
| ultraluminous infrared galaxy | ULIG | 165 | 4 | 2.007984 | 0109405,0109448,etc |
| chandra x ray center | CXC | 9 | 4 | 1.000144 | 0109389,0109236,etc |
| carbon monoxide | CO | 103 | 4 | 1.003837 | 0109190,0109191,etc |
| hubble deep field | HDF | 72 | 4 | 2.002319 | 0109060,0109037,etc |
| rossi x ray timing explorer | RXTE | 21 | 4 | 2.000859 | 0109036,0109559,etc |
| extreme ultraviolet | EUV | 39 | 3 | 1.001335 | 0109491,0109531,etc |
| science analysis system | SAS | 4 | 3 | 1.000082 | 0109270,0109413,etc |
| period luminosity | PL | 58 | 3 | 1.001991 | 0109234,0109446,etc |
| ryle telescope | RT | 28 | 3 | 2.00166 | 0109351,0109343,etc |
| nasa extragalactic database | NED | 7 | 3 | 1.000042 | 0109540,0109342,etc |
| polycyclic aromatic hydrocarbon | PAH | 10 | 3 | 1.000581 | 0109017,0109146,etc |
| main sequence turnoff | MSTO | 47 | 3 | 2.000497 | 0109458,0109203,etc |
| reflection grating spectrometer | RGS | 18 | 3 | 1.000845 | 0109314,0109417,etc |
| singular isothermal sphere | SIS | 8 | 3 | 1.001893 | 0109260,0109347,etc |
| nordic optical telescope | NOT | 17 | 3 | 2.001143 | 0109020,0109009,etc |
| digitized sky survey | DSS | 6 | 3 | 1.000144 | 0109320,0109342,etc |
| very long baseline interferometry | VLBI | 24 | 3 | 1.001275 | 0109320,0109179,etc |
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