| 1 | active galactic nucleus | AGN | 143 | 20 | 1.000845 | 9710305,9710334,etc |
| 2 | cold dark matter | CDM | 236 | 16 | 1.001856 | 9710140,9710224,etc |
| 3 | point spread function | PSF | 58 | 14 | 1.000486 | 9710120,9710237,etc |
| 4 | interstellar medium | ISM | 112 | 14 | 2.000866 | 9710238,9710057,etc |
| 5 | large magellanic cloud | LMC | 204 | 12 | 2.004491 | 9710133,9710224,etc |
| 6 | initial mass function | IMF | 155 | 12 | 1.003762 | 9710133,9710079,etc |
| 7 | cosmic microwave background | CMB | 278 | 11 | 2.003693 | 9710272,9710185,etc |
| 8 | color magnitude diagram | CMD | 174 | 9 | 2.00238 | 9710237,9710369,etc |
| 9 | hubble space telescope | HST | 90 | 8 | 1.001589 | 9710217,9710334,etc |
| 10 | horizontal branch | HB | 188 | 8 | 1.005573 | 9710237,9710013,etc |
| 11 | smoothed particle hydrodynamics | SPH | 61 | 8 | 1.000982 | 9710233,9710187,etc |
| 12 | nasa/ipac extragalactic database | NED | 14 | 8 | 1.000491 | 9710177,9710325,etc |
| 13 | intracluster medium | ICM | 106 | 7 | 2.002088 | 9710217,9710238,etc |
| 14 | spectral energy distribution | SED | 89 | 7 | 2.001477 | 9710120,9710044,etc |
| 15 | proportional counter array | PCA | 43 | 6 | 2.001879 | 9710337,9710284,etc |
| 16 | space telescope imaging spectrograph | STIS | 62 | 6 | 2.002627 | 9710334,9710357,etc |
| 17 | full width at half maximum | FWHM | 20 | 6 | 1.000346 | 9710303,9710363,etc |
| 18 | luminosity function | LF | 50 | 6 | 2.001546 | 9710042,9710268,etc |
| 19 | asymptotic giant branch | AGB | 89 | 6 | 1.0031 | 9710146,9710155,etc |
| 20 | local standard of rest | LSR | 21 | 5 | 1.000554 | 9710055,9710315,etc |
| 21 | dark matter | DM | 225 | 5 | 2.002793 | 9710140,9710188,etc |
| 22 | high resolution imager | HRI | 71 | 5 | 1.003164 | 9710217,9710098,etc |
| 23 | very large array | VLA | 26 | 5 | 2.000724 | 9710120,9710057,etc |
| 24 | position sensitive proportional counter | PSPC | 57 | 5 | 1.002188 | 9710298,9710098,etc |
| 25 | low mass x ray binary | LMXRB | 57 | 5 | 2.001083 | 9710337,9710105,etc |
| 26 | supernova remnant | SNR | 53 | 5 | 1.001716 | 9710279,9710075,etc |
| 27 | cosmic microwave background radiation | CMBR | 18 | 5 | 2.001369 | 9710003,9710145,etc |
| 28 | ultraviolet | UV | 336 | 5 | 2.009012 | 9710045,9710323,etc |
| 29 | inverse compton | IC | 41 | 4 | 1.001974 | 9710272,9710098,etc |
| 30 | infrared | IR | 265 | 4 | 2.009681 | 9710272,9710374,etc |
| 31 | kolmogorov smirnov | K-S | 18 | 4 | 1.000096 | 9710307,9710009,etc |
| 32 | gamma ray burst | GRB | 115 | 4 | 2.004368 | 9710334,9710063,etc |
| 33 | quasi periodic oscillation | QPO | 99 | 4 | 2.007902 | 9710013,9710048,etc |
| 34 | star formation rate | SFR | 29 | 4 | 2.002088 | 9710312,9710020,etc |
| 35 | cosmic ray | CR | 240 | 4 | 1.00406 | 9710357,9710029,etc |
| 36 | compton gamma ray observatory | CGRO | 14 | 4 | 1.000435 | 9710121,9710191,etc |
| 37 | signal to noise ratio | S/N | 17 | 3 | 1.000416 | 9710021,9710323,etc |
| 38 | cataclysmic variable | CV | 20 | 3 | 1.000133 | 9710233,9710305,etc |
| 39 | two micron galactic survey | TMGS | 31 | 3 | 2.002875 | 9710240,9710197,etc |
| 40 | planetary nebulae | PN | 21 | 3 | 1.000511 | 9710093,9710154,etc |
| 41 | astronomy | ASTRON | 3 | 3 | 1.000083 | 9710024,9710013,etc |
| 42 | intergalactic medium | IGM | 30 | 3 | 2.000614 | 9710370,9710208,etc |
| 43 | australia telescope compact array | ATCA | 24 | 3 | 2.001336 | 9710172,9710045,etc |
| 44 | james clerk maxwell telescope | JCMT | 27 | 3 | 1.001063 | 9710003,9710225,etc |
| 45 | goddard high resolution spectrograph | GHRS | 68 | 3 | 2.004337 | 9710045,9710163,etc |
| 46 | indian x ray astronomy experiment | IXAE | 15 | 3 | 1.000365 | 9710284,9710283,etc |
| 47 | proportional counter | PPC | 41 | 3 | 2.00017 | 9710284,9710283,etc |
| 48 | south atlantic anomaly | SAA | 10 | 3 | 2.000531 | 9710284,9710283,etc |
| 49 | imaging proportional counter | IPC | 10 | 3 | 1.000711 | 9710009,9710366,etc |
| 50 | guide star catalogue | GSC | 29 | 3 | 2.000304 | 9710177,9710030,etc |
| 51 | supernova | SN | 236 | 3 | 2.003741 | 9710019,9710123,etc |
| 52 | equivalent width | EW | 109 | 3 | 2.005249 | 9710325,9710320,etc |
| 53 | near infrared | NIR | 49 | 3 | 1.000681 | 9710189,9710222,etc |
| 54 | red giant branch | RGB | 28 | 3 | 2.000604 | 9710245,9710242,etc |
| 55 | global oscillations network group | GONG | 23 | 3 | 1.001799 | 9710245,9710131,etc |
| 56 | advection dominated accretion flow | ADAF | 107 | 3 | 2.005118 | 9710190,9710127,etc |
| 57 | cold plus hot dark matter | CHDM | 93 | 3 | 2.007757 | 9710107,9710026,etc |
| 58 | local thermodynamic equilibrium | LTE | 41 | 3 | 1.001245 | 9710254,9710315,etc |
| 59 | standard cold dark matter | SCDM | 55 | 3 | 1.001359 | 9710201,9710062,etc |
| 60 | all sky monitor | ASM | 4 | 3 | 1.000057 | 9710121,9710328,etc |
| 61 | black hole | BH | 132 | 3 | 2.007143 | 9710352,9710309,etc |
| 62 | large velocity gradient | LVG | 13 | 3 | 1.00025 | 9710225,9710040,etc |