| cosmic microwave background | CMB | 633 | 39 | 2.005407 | 0112348,0112522,etc |
| interstellar medium | ISM | 261 | 30 | 2.002315 | 0112450,0112067,etc |
| spectral energy distribution | SED | 363 | 24 | 1.002973 | 0112415,0112098,etc |
| cold dark matter | CDM | 272 | 23 | 1.002746 | 0112522,0112499,etc |
| nasa/ipac extragalactic database | NED | 37 | 23 | 1.001063 | 0112351,0112534,etc |
| active galactic nucleus | AGN | 362 | 21 | 1.00469 | 0112067,0112297,etc |
| supernova remnant | SNR | 422 | 20 | 1.007705 | 0112242,0112410,etc |
| initial mass function | IMF | 73 | 19 | 1.001052 | 0112028,0112059,etc |
| point spread function | PSF | 140 | 18 | 1.001097 | 0112479,0112362,etc |
| hubble space telescope | HST | 193 | 16 | 1.001053 | 0112362,0112153,etc |
| cataclysmic variable | CV | 122 | 14 | 1.002694 | 0112483,0112146,etc |
| gamma ray burst | GRB | 854 | 13 | 2.006906 | 0112559,0112066,etc |
| very large array | VLA | 60 | 13 | 1.00066 | 0112067,0112053,etc |
| supernova | SN | 651 | 13 | 2.012918 | 0112028,0112059,etc |
| star formation rate | SFR | 319 | 13 | 1.007149 | 0112395,0112066,etc |
| neutron star | NS | 119 | 13 | 1.001429 | 0112517,0112168,etc |
| equivalent width | EW | 240 | 12 | 2.004715 | 0112066,0112112,etc |
| proportional counter array | PCA | 80 | 11 | 2.001485 | 0112360,0112439,etc |
| low mass x ray binary | LMXB | 58 | 9 | 1.001206 | 0112353,0112087,etc |
| full width at half maximum | FWHM | 45 | 8 | 1.000506 | 0112224,0112067,etc |
| white dwarf | WD | 267 | 8 | 2.009034 | 0112424,0112197,etc |
| luminosity function | LF | 201 | 8 | 2.004141 | 0112297,0112343,etc |
| all sky monitor | ASM | 51 | 8 | 2.001408 | 0112217,0112154,etc |
| pulsar wind nebula | PWN | 54 | 7 | 2.002021 | 0112322,0112167,etc |
| black hole | BH | 56 | 7 | 2.001519 | 0112322,0112395,etc |
| lyman break galaxy | LBG | 134 | 7 | 2.006358 | 0112262,0112395,etc |
| big bang nucleosynthesis | BBN | 107 | 7 | 1.006481 | 0112182,0112181,etc |
| near infrared | NIR | 50 | 7 | 1.000517 | 0112351,0112196,etc |
| sloan digital sky survey | SDSS | 120 | 7 | 2.002444 | 0112075,0112397,etc |
| intergalactic medium | IGM | 140 | 7 | 2.003654 | 0112460,0112022,etc |
| far infrared | FIR | 52 | 6 | 1.000788 | 0112559,0112354,etc |
| hubble deep field | HDF | 50 | 6 | 1.000491 | 0112559,0112153,etc |
| anglo australian telescope | AAT | 24 | 6 | 1.000193 | 0112410,0112043,etc |
| far ultraviolet | FUV | 41 | 6 | 2.000886 | 0112424,0112254,etc |
| australia telescope compact array | ATCA | 23 | 6 | 1.001134 | 0112166,0112346,etc |
| red giant branch | RGB | 135 | 6 | 2.00461 | 0112111,0112331,etc |
| advanced ccd imaging spectrometer | ACIS | 41 | 6 | 2.001306 | 0112112,0112346,etc |
| kolmogorov smirnov | KS | 32 | 6 | 1.000419 | 0112517,0112343,etc |
| color magnitude diagram | CMD | 47 | 6 | 1.000635 | 0112343,0112267,etc |
| local standard of rest | LSR | 32 | 6 | 1.001086 | 0112497,0112414,etc |
| large scale structure | LSS | 32 | 6 | 1.001594 | 0112501,0112149,etc |
| quasi periodic oscillation | QPO | 84 | 6 | 1.007029 | 0112567,0112137,etc |
| signal to noise ratio | S/N | 21 | 6 | 1.000189 | 0112075,0112254,etc |
| blackbody | BB | 28 | 5 | 1.000841 | 0112322,0112030,etc |
| star formation | SF | 138 | 5 | 2.005401 | 0112450,0112249,etc |
| infrared | IR | 98 | 5 | 2.002943 | 0112104,0112116,etc |
| adaptive mesh refinement | AMR | 80 | 5 | 2.005033 | 0112089,0112046,etc |
| equation of state | EOS | 89 | 5 | 2.0035 | 0112136,0112501,etc |
| smoothed particle hydrodynamics | SPH | 19 | 5 | 1.002438 | 0112297,0112088,etc |
| magnetohydrodynamic | MHD | 65 | 5 | 1.003157 | 0112366,0112431,etc |
| inverse compton | IC | 43 | 5 | 2.001637 | 0112311,0112177,etc |
| two micron all sky survey | 2MASS | 205 | 4 | 2.00616 | 0112410,0112433,etc |
| phase dispersion minimization | PDM | 4 | 4 | 1.000619 | 0112238,0112271,etc |
| cosmic ray | CR | 31 | 4 | 1.001203 | 0112008,0112191,etc |
| x ray luminosity function | XLF | 18 | 4 | 2.001485 | 0112530,0112252,etc |
| power law | PL | 45 | 4 | 2.001067 | 0112322,0112484,etc |
| signal to noise | S/N | 14 | 4 | 2.000397 | 0112104,0112433,etc |
| william herschel telescope | WHT | 6 | 4 | 1.000094 | 0112067,0112234,etc |
| small magellanic cloud | SMC | 112 | 4 | 2.004086 | 0112364,0112404,etc |
| high energy x ray timing experiment | HEXTE | 27 | 4 | 1.000936 | 0112439,0112154,etc |
| cosmic microwave background radiation | CMBR | 76 | 4 | 1.003357 | 0112012,0112536,etc |
| wide field camera | WFC | 31 | 4 | 1.002173 | 0112353,0112066,etc |
| probability distribution function | PDF | 100 | 4 | 1.002731 | 0112233,0112407,etc |
| horizontal branch | HB | 108 | 4 | 2.003993 | 0112111,0112331,etc |
| globular cluster | GC | 230 | 4 | 2.00888 | 0112111,0112209,etc |
| main sequence | MS | 94 | 4 | 2.001135 | 0112343,0112283,etc |
| high velocity cloud | HVC | 83 | 4 | 2.007547 | 0112497,0112235,etc |
| adaptive optics | AO | 44 | 4 | 1.002187 | 0112263,0112407,etc |
| sunyaev zel'dovich | SZ | 71 | 4 | 2.002637 | 0112013,0112408,etc |
| charge transfer inefficiency | CTI | 25 | 4 | 1.000681 | 0112257,0112041,etc |
| high frequency instrument | HFI | 42 | 4 | 1.003795 | 0112277,0112276,etc |
| ultraluminous infrared galaxy | ULIG | 143 | 4 | 2.002649 | 0112060,0112352,etc |
| position angle | PA | 86 | 4 | 1.002247 | 0112288,0112520,etc |
| ultra luminous infrared galaxy | ULIRG | 18 | 3 | 2.000815 | 0112559,0112141,etc |
| zero age main sequence | ZAMS | 12 | 3 | 1.000485 | 0112294,0112029,etc |
| kitt peak national observatory | KPNO | 4 | 3 | 1.000014 | 0112259,0112204,etc |
| blue compact dwarf | BCD | 35 | 3 | 2.002098 | 0112348,0112235,etc |
| circumstellar material | CSM | 60 | 3 | 2.002549 | 0112067,0112261,etc |
| fundamental plane | FP | 21 | 3 | 2.003777 | 0112358,0112133,etc |
| asymptotic giant branch | AGB | 45 | 3 | 2.003597 | 0112364,0112302,etc |
| space telescope imaging spectrograph | STIS | 48 | 3 | 2.000966 | 0112424,0112352,etc |
| line of sight | LOS | 18 | 3 | 2.000737 | 0112424,0112297,etc |
| dwarf novae | DN | 33 | 3 | 2.002489 | 0112424,0112197,etc |
| time of arrival | TOA | 14 | 3 | 1.000179 | 0112106,0112019,etc |
| high mass x ray binary | HMXB | 37 | 3 | 2.001905 | 0112353,0112160,etc |
| cosmic background explorer | COBE | 14 | 3 | 2.000486 | 0112359,0112161,etc |
| color magnitude | CM | 16 | 3 | 2.000523 | 0112111,0112349,etc |
| goddard high resolution spectrograph | GHRS | 10 | 3 | 1.00028 | 0112297,0112296,etc |
| power density spectrum | PDS | 41 | 3 | 2.00136 | 0112217,0112154,etc |
| singular isothermal sphere | SIS | 17 | 3 | 1.001503 | 0112119,0112123,etc |
| 2df galaxy redshift survey | 2dFGRS | 111 | 3 | 2.001377 | 0112043,0112161,etc |
| field of view | FOV | 8 | 3 | 1.000336 | 0112362,0112490,etc |
| full width half maximum | FWHM | 17 | 3 | 2.000998 | 0112521,0112468,etc |
| ultraviolet | UV | 42 | 3 | 1.000626 | 0112497,0112163,etc |
| extreme ultraviolet | EUV | 61 | 3 | 2.006444 | 0112497,0112254,etc |
| mid infrared | MIR | 66 | 3 | 2.001678 | 0112249,0112314,etc |
| new technology telescope | NTT | 8 | 3 | 1.000042 | 0112249,0112101,etc |
| extragalactic background light | EBL | 349 | 3 | 2.005224 | 0112153,0112193,etc |
| faint object spectrograph | FOS | 69 | 3 | 2.000948 | 0112153,0112257,etc |
| las campanas observatory | LCO | 29 | 3 | 2.000312 | 0112153,0112193,etc |
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