| spectral energy distribution | SED | 378 | 31 | 1.001568 | 0111178,0111333,etc |
| interstellar medium | ISM | 335 | 29 | 2.002728 | 0111109,0111436,etc |
| cosmic microwave background | CMB | 540 | 28 | 2.003442 | 0111501,0111203,etc |
| active galactic nucleus | AGN | 432 | 24 | 2.003585 | 0111472,0111545,etc |
| cold dark matter | CDM | 221 | 22 | 2.005119 | 0111118,0111388,etc |
| nasa/ipac extragalactic database | NED | 188 | 21 | 1.004409 | 0111178,0111388,etc |
| initial mass function | IMF | 159 | 20 | 2.000932 | 0111106,0111385,etc |
| star formation rate | SFR | 270 | 19 | 2.002135 | 0111178,0111241,etc |
| asymptotic giant branch | AGB | 196 | 18 | 1.002141 | 0111187,0111355,etc |
| color magnitude diagram | CMD | 309 | 17 | 2.003173 | 0111025,0111149,etc |
| point spread function | PSF | 81 | 17 | 1.000414 | 0111355,0111248,etc |
| sloan digital sky survey | SDSS | 369 | 15 | 2.004694 | 0111025,0111097,etc |
| luminosity function | LF | 310 | 14 | 1.003693 | 0111025,0111340,etc |
| supernova remnant | SNR | 161 | 14 | 2.006234 | 0111445,0111430,etc |
| full width at half maximum | FWHM | 64 | 13 | 2.000956 | 0111182,0111395,etc |
| gamma ray burst | GRB | 282 | 13 | 2.005336 | 0111555,0111454,etc |
| supernova | SN | 482 | 13 | 2.008177 | 0111403,0111430,etc |
| hubble space telescope | HST | 121 | 12 | 2.001374 | 0111355,0111267,etc |
| neutron star | NS | 657 | 12 | 2.006005 | 0111093,0111382,etc |
| low mass x ray binary | LMXB | 48 | 11 | 2.000872 | 0111604,0111370,etc |
| red giant branch | RGB | 353 | 11 | 2.005579 | 0111365,0111127,etc |
| intergalactic medium | IGM | 159 | 9 | 2.003385 | 0111178,0111359,etc |
| globular cluster | GC | 526 | 9 | 2.00956 | 0111025,0111388,etc |
| australia telescope compact array | ATCA | 45 | 9 | 1.001769 | 0111340,0111543,etc |
| signal to noise ratio | SNR | 34 | 9 | 1.000532 | 0111543,0111510,etc |
| far infrared | FIR | 234 | 8 | 2.003598 | 0111244,0111178,etc |
| infrared space observatory | ISO | 62 | 8 | 2.001315 | 0111178,0111318,etc |
| advanced ccd imaging spectrometer | ACIS | 173 | 8 | 2.002287 | 0111455,0111266,etc |
| horizontal branch | HB | 136 | 8 | 2.003254 | 0111365,0111108,etc |
| intracluster medium | ICM | 47 | 7 | 2.000714 | 0111203,0111282,etc |
| big bang nucleosynthesis | BBN | 20 | 7 | 1.000379 | 0111109,0111336,etc |
| equivalent width | EQW | 99 | 7 | 1.00315 | 0111182,0111331,etc |
| equation of state | EOS | 231 | 7 | 1.004525 | 0111587,0111369,etc |
| kolmogorov smirnov | K-S | 22 | 6 | 1.000355 | 0111038,0111248,etc |
| ultraviolet | UV | 98 | 6 | 1.001025 | 0111178,0111336,etc |
| max planck institute for astronomy | MPIA | 6 | 6 | 1.00009 | 0111025,0111095,etc |
| max planck institute for astrophysics | MPA | 6 | 6 | 1.00009 | 0111025,0111095,etc |
| astrophysical research consortium | ARC | 6 | 6 | 1.00009 | 0111025,0111095,etc |
| fast fourier transform | FFT | 24 | 6 | 2.000484 | 0111008,0111426,etc |
| black hole | BH | 286 | 6 | 2.00335 | 0111436,0111314,etc |
| very large array | VLA | 36 | 6 | 2.000318 | 0111340,0111205,etc |
| synchrotron self compton | SSC | 42 | 6 | 2.001261 | 0111340,0111454,etc |
| near infrared | NIR | 44 | 6 | 2.001362 | 0111026,0111133,etc |
| advection dominated accretion flow | ADAF | 60 | 6 | 2.000622 | 0111133,0111161,etc |
| dark matter | DM | 83 | 6 | 2.003512 | 0111044,0111467,etc |
| charge transfer inefficiency | CTI | 282 | 6 | 2.005139 | 0111037,0111363,etc |
| star formation | SF | 91 | 5 | 1.00226 | 0111244,0111076,etc |
| x ray background | XRB | 56 | 5 | 2.001891 | 0111036,0111422,etc |
| large magellanic cloud | LMC | 288 | 5 | 2.0056 | 0111355,0111311,etc |
| magnetohydrodynamics | MHD | 44 | 5 | 1.000954 | 0111008,0111161,etc |
| chandra x ray center | CXC | 14 | 5 | 1.000725 | 0111340,0111266,etc |
| proportional counter array | PCA | 31 | 5 | 2.000587 | 0111333,0111252,etc |
| new technology telescope | NTT | 38 | 5 | 1.000453 | 0111136,0111463,etc |
| very large telescope | VLT | 37 | 5 | 1.000433 | 0111136,0111146,etc |
| dispersion measure | DM | 19 | 5 | 1.002999 | 0111404,0111023,etc |
| mid infrared | MIR | 47 | 5 | 2.003854 | 0111009,0111395,etc |
| all sky monitor | ASM | 42 | 5 | 2.001849 | 0111382,0111261,etc |
| zero age main sequence | ZAMS | 17 | 5 | 1.000483 | 0111167,0111249,etc |
| main sequence | MS | 50 | 5 | 2.001472 | 0111452,0111147,etc |
| white dwarf | WD | 42 | 5 | 2.001204 | 0111452,0111147,etc |
| blue compact dwarf | BCD | 100 | 4 | 1.001494 | 0111178,0111248,etc |
| low surface brightness | LSB | 10 | 4 | 1.000349 | 0111025,0111411,etc |
| space telescope imaging spectrograph | STIS | 26 | 4 | 1.000683 | 0111226,0111368,etc |
| pre main sequence | PMS | 41 | 4 | 1.002842 | 0111106,0111385,etc |
| colour magnitude diagram | CMD | 46 | 4 | 2.003141 | 0111355,0111311,etc |
| william herschel telescope | WHT | 11 | 4 | 1.000169 | 0111477,0111085,etc |
| cosmic microwave background radiation | CMBR | 47 | 4 | 2.002019 | 0111109,0111417,etc |
| low luminosity agn | LLAGN | 25 | 4 | 1.000397 | 0111472,0111133,etc |
| reflection grating spectrometer | RGS | 9 | 4 | 1.000114 | 0111455,0111113,etc |
| infrared | IR | 137 | 4 | 2.002987 | 0111318,0111133,etc |
| quasi periodic oscillation | QPO | 48 | 4 | 2.001294 | 0111370,0111272,etc |
| signal to noise | S/N | 12 | 4 | 1.000223 | 0111167,0111050,etc |
| westerbork synthesis radio telescope | WSRT | 23 | 4 | 1.000834 | 0111023,0111543,etc |
| extremely red object | ERO | 61 | 4 | 1.008752 | 0111527,0111547,etc |
| ultra luminous infrared galaxy | ULIG | 76 | 4 | 2.003694 | 0111527,0111144,etc |
| lyman break galaxy | LBG | 18 | 4 | 1.000895 | 0111126,0111125,etc |
| anomalous x ray pulsar | AXP | 34 | 4 | 2.006978 | 0111357,0111389,etc |
| field of view | FOV | 9 | 4 | 1.000536 | 0111288,0111304,etc |
| rotation measure | RM | 83 | 4 | 2.00767 | 0111437,0111381,etc |
| large scale structure | LSS | 36 | 4 | 2.0036 | 0111242,0111417,etc |
| wide field camera | WFC | 40 | 4 | 2.002771 | 0111261,0111213,etc |
| inverse compton | IC | 22 | 4 | 1.000127 | 0111193,0111130,etc |
| hubble deep field | HDF | 50 | 4 | 1.003128 | 0111129,0111239,etc |
| magnetohydrodynamic | MHD | 46 | 4 | 2.003156 | 0111262,0111447,etc |
| gamma ray bursts | GRB | 251 | 4 | 2.005801 | 0111170,0111564,etc |
| cooling flow | CF | 48 | 3 | 1.002356 | 0111104,0111282,etc |
| medium energy grating | MEG | 18 | 3 | 2.000919 | 0111049,0111464,etc |
| high energy grating | HEG | 18 | 3 | 2.000919 | 0111049,0111464,etc |
| sunyaev zeldovich | SZ | 52 | 3 | 2.001418 | 0111203,0111294,etc |
| sunyaev zel'dovich | SZ | 72 | 3 | 1.003732 | 0111203,0111211,etc |
| local standard of rest | LSR | 10 | 3 | 1.000728 | 0111226,0111318,etc |
| equations of state | EOS | 19 | 3 | 1.005444 | 0111604,0111174,etc |
| dwarf elliptical | dE | 52 | 3 | 2.001746 | 0111388,0111359,etc |
| dwarf spheroidal | dSph | 21 | 3 | 2.002195 | 0111388,0111365,etc |
| milky way | MW | 33 | 3 | 1.001247 | 0111175,0111427,etc |
| european photon imaging camera | EPIC | 15 | 3 | 2.001125 | 0111455,0111357,etc |
| planetary nebula | PN | 155 | 3 | 2.007955 | 0111035,0111266,etc |
| cosmic ray | CR | 116 | 3 | 1.006904 | 0111555,0111445,etc |
| compact steep spectrum | CSS | 9 | 3 | 2.000786 | 0111559,0111133,etc |
| line spread function | LSF | 23 | 3 | 2.0009 | 0111332,0111486,etc |
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