| active galactic nucleus | AGN | 418 | 31 | 2.003388 | 0108351,0108369,etc |
| cosmic microwave background | CMB | 539 | 24 | 2.003999 | 0108369,0108251,etc |
| cold dark matter | CDM | 277 | 24 | 2.003346 | 0108224,0108422,etc |
| spectral energy distribution | SED | 214 | 23 | 1.001594 | 0108468,0108094,etc |
| point spread function | PSF | 201 | 22 | 1.001046 | 0108102,0108252,etc |
| gamma ray burst | GRB | 1026 | 21 | 2.010013 | 0108311,0108033,etc |
| interstellar medium | ISM | 118 | 19 | 1.001187 | 0108135,0108027,etc |
| star formation rate | SFR | 187 | 15 | 2.00484 | 0108311,0108171,etc |
| intergalactic medium | IGM | 353 | 15 | 2.004445 | 0108168,0108239,etc |
| sloan digital sky survey | SDSS | 359 | 13 | 1.00269 | 0108168,0108255,etc |
| hubble space telescope | HST | 156 | 13 | 2.001224 | 0108405,0108397,etc |
| low mass x ray binary | LMXB | 139 | 12 | 2.004048 | 0108057,0108438,etc |
| nasa/ipac extragalactic database | NED | 29 | 12 | 1.000145 | 0108481,0108029,etc |
| initial mass function | IMF | 98 | 12 | 2.004154 | 0108249,0108106,etc |
| color magnitude diagram | CMD | 227 | 11 | 2.001631 | 0108107,0108252,etc |
| horizontal branch | HB | 736 | 10 | 2.009185 | 0108107,0108163,etc |
| signal to noise ratio | S/N | 40 | 10 | 1.000581 | 0108249,0108516,etc |
| red giant branch | RGB | 217 | 10 | 2.003257 | 0108233,0108121,etc |
| supernova remnant | SNR | 175 | 10 | 1.004139 | 0108506,0108321,etc |
| neutron star | NS | 122 | 9 | 2.005016 | 0108438,0108506,etc |
| space telescope imaging spectrograph | STIS | 146 | 9 | 2.001306 | 0108521,0108203,etc |
| black hole | BH | 94 | 9 | 2.003375 | 0108033,0108482,etc |
| near infrared | NIR | 99 | 9 | 2.001793 | 0108029,0108419,etc |
| luminosity function | LF | 69 | 8 | 2.001887 | 0108311,0108182,etc |
| planetary nebula | PN | 168 | 8 | 1.00565 | 0108067,0108345,etc |
| equivalent width | EW | 201 | 8 | 2.007642 | 0108249,0108342,etc |
| rossi x ray timing explorer | RXTE | 83 | 8 | 1.002783 | 0108004,0108405,etc |
| supernova | SN | 311 | 8 | 2.011027 | 0108433,0108324,etc |
| max planck institute for astronomy | MPIA | 8 | 8 | 1.00019 | 0108063,0108435,etc |
| max planck institute for astrophysics | MPA | 8 | 8 | 1.00019 | 0108063,0108435,etc |
| astrophysical research consortium | ARC | 24 | 8 | 1.000457 | 0108063,0108435,etc |
| cataclysmic variable | CV | 147 | 8 | 2.004397 | 0108386,0108018,etc |
| full width at half maximum | FWHM | 22 | 7 | 1.00029 | 0108359,0108171,etc |
| large magellanic cloud | LMC | 64 | 7 | 2.001729 | 0108293,0108050,etc |
| local thermodynamic equilibrium | LTE | 38 | 7 | 2.000387 | 0108452,0108173,etc |
| very large array | VLA | 49 | 7 | 1.000585 | 0108397,0108111,etc |
| asymptotic giant branch | AGB | 44 | 6 | 1.000369 | 0108107,0108121,etc |
| low surface brightness | LSB | 50 | 6 | 1.001539 | 0108225,0108203,etc |
| signal to noise | S/N | 11 | 6 | 1.000281 | 0108123,0108078,etc |
| ultraviolet | UV | 127 | 6 | 2.002901 | 0108383,0108169,etc |
| extremely red object | ERO | 191 | 6 | 2.007704 | 0108171,0108182,etc |
| intracluster medium | ICM | 106 | 6 | 2.001425 | 0108091,0108434,etc |
| cosmic microwave background radiation | CMBR | 133 | 6 | 1.005001 | 0108419,0108110,etc |
| giant molecular cloud | GMC | 80 | 6 | 2.001762 | 0108294,0108083,etc |
| big bang nucleosynthesis | BBN | 38 | 5 | 1.002237 | 0108002,0108422,etc |
| intra cluster medium | ICM | 85 | 5 | 2.003875 | 0108388,0108329,etc |
| globular cluster | GC | 193 | 5 | 2.011797 | 0108252,0108163,etc |
| advection dominated accretion flow | ADAF | 39 | 5 | 1.001569 | 0108094,0108342,etc |
| proportional counter array | PCA | 38 | 5 | 2.002851 | 0108004,0108387,etc |
| far infrared | FIR | 82 | 5 | 2.00405 | 0108313,0108087,etc |
| zero age main sequence | ZAMS | 29 | 5 | 2.000355 | 0108191,0108386,etc |
| super star cluster | SSC | 129 | 5 | 2.007807 | 0108137,0108510,etc |
| white dwarf | WD | 201 | 5 | 2.003765 | 0108386,0108322,etc |
| infrared space observatory | ISO | 117 | 5 | 1.002328 | 0108292,0108317,etc |
| inverse compton | IC | 107 | 4 | 2.001562 | 0108369,0108313,etc |
| infrared | IR | 55 | 4 | 2.001537 | 0108311,0108436,etc |
| singular isothermal sphere | SIS | 36 | 4 | 2.000564 | 0108224,0108160,etc |
| x ray background | XRB | 93 | 4 | 2.003024 | 0108168,0108445,etc |
| night sky background | NSB | 45 | 4 | 1.000931 | 0108092,0108478,etc |
| broad line region | BLR | 73 | 4 | 2.002867 | 0108451,0108053,etc |
| ultraluminous infrared galaxy | ULIRG | 49 | 4 | 2.001261 | 0108482,0108436,etc |
| rosat all sky survey | RASS | 26 | 4 | 1.003549 | 0108128,0108023,etc |
| dark matter | DM | 62 | 4 | 2.003372 | 0108327,0108513,etc |
| kolmogorov smirnov | KS | 14 | 4 | 1.000955 | 0108163,0108344,etc |
| main sequence | MS | 60 | 4 | 2.000796 | 0108250,0108191,etc |
| photomultiplier tube | PMT | 46 | 4 | 2.000921 | 0108052,0108478,etc |
| all sky monitor | ASM | 70 | 4 | 2.004048 | 0108004,0108405,etc |
| hubble deep field | HDF | 22 | 4 | 1.001948 | 0108433,0108313,etc |
| star formation | SF | 101 | 4 | 1.002286 | 0108433,0108303,etc |
| adaptive optics | AO | 41 | 4 | 2.004964 | 0108106,0108413,etc |
| charge transfer inefficiency | CTI | 15 | 4 | 2.000776 | 0108078,0108396,etc |
| hubble deep field south | HDFS | 34 | 4 | 2.001047 | 0108171,0108182,etc |
| field of view | FOV | 35 | 4 | 2.00049 | 0108171,0108478,etc |
| two dimensional | 2D | 9 | 4 | 1.000147 | 0108277,0108169,etc |
| mid infrared | MIR | 95 | 4 | 2.00359 | 0108419,0108413,etc |
| burst and transient source experiment | BATSE | 59 | 4 | 1.002188 | 0108303,0108190,etc |
| pachmarhi array of v cerenkov telescopes | PACT | 37 | 4 | 1.001917 | 0108353,0108455,etc |
| william herschel telescope | WHT | 15 | 4 | 1.000324 | 0108232,0108349,etc |
| high velocity cloud | HVC | 66 | 4 | 2.007066 | 0108510,0108216,etc |
| quasi periodic oscillation | QPO | 96 | 4 | 1.007223 | 0108059,0108164,etc |
| ultra luminous infrared galaxy | ULIRG | 37 | 4 | 2.00295 | 0108400,0108361,etc |
| extreme ultraviolet | EUV | 46 | 3 | 1.001732 | 0108369,0108168,etc |
| power density spectra | PDS | 30 | 3 | 2.00268 | 0108057,0108373,etc |
| young stellar object | YSO | 33 | 3 | 1.001727 | 0108067,0108379,etc |
| dielectronic recombination | DR | 318 | 3 | 2.005433 | 0108026,0108048,etc |
| radiative recombination | RR | 71 | 3 | 1.002388 | 0108026,0108048,etc |
| galactic center | GC | 81 | 3 | 2.001089 | 0108109,0108366,etc |
| millisecond pulsar | MSP | 74 | 3 | 2.000912 | 0108252,0108343,etc |
| extended medium sensitivity survey | EMSS | 18 | 3 | 1.002301 | 0108389,0108128,etc |
| red clump | RC | 16 | 3 | 1.000913 | 0108233,0108116,etc |
| soft x ray transient | SXT | 41 | 3 | 2.001828 | 0108094,0108189,etc |
| chandra deep field south | CDFS | 38 | 3 | 2.000346 | 0108445,0108171,etc |
| probability density function | PDF | 24 | 3 | 1.002041 | 0108163,0108339,etc |
| taurus tunable filter | TTF | 36 | 3 | 2.00271 | 0108184,0108425,etc |
| canada france redshift survey | CFRS | 10 | 3 | 1.000173 | 0108433,0108292,etc |
| high resolution mirror assembly | HRMA | 8 | 3 | 1.00017 | 0108001,0108404,etc |
| maximum entropy method | MEM | 15 | 3 | 2.00058 | 0108087,0108362,etc |
| high energy transmission grating spectrometer | HETGS | 24 | 3 | 2.000167 | 0108208,0108166,etc |
| digitized sky survey | DSS | 85 | 3 | 1.002444 | 0108029,0108510,etc |
| root mean square | RMS | 17 | 3 | 2.000397 | 0108452,0108478,etc |
|