| 1 | active galactic nucleus | AGN | 582 | 29 | 2.001944 | 9905153,9905290,etc |
| 2 | cosmic microwave background | CMB | 283 | 24 | 2.002809 | 9905127,9905256,etc |
| 3 | spectral energy distribution | SED | 325 | 19 | 1.002898 | 9905003,9905377,etc |
| 4 | interstellar medium | ISM | 187 | 17 | 1.001725 | 9905291,9905189,etc |
| 5 | red giant branch | RGB | 364 | 13 | 2.003718 | 9905336,9905193,etc |
| 6 | asymptotic giant branch | AGB | 181 | 13 | 2.002683 | 9905193,9905235,etc |
| 7 | initial mass function | IMF | 118 | 12 | 1.001059 | 9905193,9905050,etc |
| 8 | nasa/ipac extragalactic database | NED | 16 | 11 | 1.00019 | 9905358,9905041,etc |
| 9 | supernova | SN | 497 | 11 | 2.008497 | 9905280,9905077,etc |
| 10 | very large array | VLA | 92 | 10 | 1.001359 | 9905202,9905345,etc |
| 11 | luminosity function | LF | 214 | 10 | 1.005281 | 9905193,9905180,etc |
| 12 | color magnitude diagram | CMD | 167 | 10 | 1.002575 | 9905210,9905244,etc |
| 13 | hubble space telescope | HST | 70 | 10 | 1.000663 | 9905102,9905381,etc |
| 14 | broad line region | BLR | 128 | 8 | 2.00252 | 9905290,9905382,etc |
| 15 | horizontal branch | HB | 255 | 8 | 2.010303 | 9905193,9905235,etc |
| 16 | infrared | IR | 206 | 8 | 2.00202 | 9905062,9905235,etc |
| 17 | cold dark matter | CDM | 244 | 8 | 1.004357 | 9905098,9905171,etc |
| 18 | supernova remnant | SNR | 293 | 8 | 2.008828 | 9905260,9905073,etc |
| 19 | star formation rate | SFR | 133 | 7 | 2.001432 | 9905264,9905384,etc |
| 20 | gamma ray burst | GRB | 197 | 7 | 2.008625 | 9905276,9905304,etc |
| 21 | point spread function | PSF | 124 | 7 | 2.003216 | 9905174,9905090,etc |
| 22 | high resolution imager | HRI | 39 | 6 | 2.000373 | 9905073,9905313,etc |
| 23 | equation of state | EOS | 69 | 5 | 1.004805 | 9905332,9905210,etc |
| 24 | all sky monitor | ASM | 28 | 5 | 1.000637 | 9905344,9905245,etc |
| 25 | proportional counter array | PCA | 58 | 5 | 2.00129 | 9905344,9905052,etc |
| 26 | ultraviolet | UV | 92 | 5 | 2.002328 | 9905012,9905129,etc |
| 27 | main sequence | MS | 43 | 4 | 1.002054 | 9905231,9905102,etc |
| 28 | sloan digital sky survey | SDSS | 40 | 4 | 1.001695 | 9905191,9905192,etc |
| 29 | australia telescope compact array | ATCA | 29 | 4 | 1.000275 | 9905306,9905121,etc |
| 30 | intracluster medium | ICM | 14 | 4 | 1.000414 | 9905179,9905223,etc |
| 31 | intergalactic medium | IGM | 34 | 4 | 2.003279 | 9905307,9905364,etc |
| 32 | full width at half maximum | FWHM | 19 | 4 | 1.00059 | 9905202,9905382,etc |
| 33 | wide field planetary camera 2 | WFPC2 | 8 | 4 | 1.000041 | 9905202,9905147,etc |
| 34 | the rgb | TRGB | 45 | 4 | 2.002287 | 9905061,9905051,etc |
| 35 | goddard high resolution spectrograph | GHRS | 73 | 4 | 2.000474 | 9905234,9905187,etc |
| 36 | faint object spectrograph | FOS | 38 | 4 | 2.000514 | 9905218,9905345,etc |
| 37 | standard cdm | SCDM | 26 | 4 | 1.001124 | 9905171,9905156,etc |
| 38 | near infrared | NIR | 38 | 4 | 2.001614 | 9905064,9905063,etc |
| 39 | star formation history | SFH | 27 | 4 | 2.000257 | 9905102,9905280,etc |
| 40 | pre main sequence | PMS | 25 | 4 | 2.000741 | 9905126,9905244,etc |
| 41 | position sensitive proportional counter | PSPC | 45 | 4 | 2.001145 | 9905126,9905073,etc |
| 42 | cosmic microwave background radiation | CMB | 33 | 4 | 2.001531 | 9905047,9905128,etc |
| 43 | advection dominated accretion flow | ADAF | 123 | 4 | 1.006585 | 9905216,9905371,etc |
| 44 | multiple mirror telescope | MMT | 25 | 4 | 1.000545 | 9905345,9905286,etc |
| 45 | far infrared | FIR | 127 | 4 | 2.003929 | 9905248,9905295,etc |
| 46 | equivalent width | EW | 114 | 4 | 2.001745 | 9905385,9905365,etc |
| 47 | full width half maximum | FWHM | 11 | 4 | 1.000825 | 9905087,9905155,etc |
| 48 | astronomical image processing system | AIPS | 5 | 3 | 1.000069 | 9905206,9905077,etc |
| 49 | field of view | FoV | 15 | 3 | 2.002669 | 9905044,9905312,etc |
| 50 | digitized sky survey | DSS | 7 | 3 | 1.000047 | 9905300,9905202,etc |
| 51 | giant molecular cloud | GMC | 20 | 3 | 2.000813 | 9905300,9905149,etc |
| 52 | optical transient | OT | 16 | 3 | 1.000956 | 9905306,9905171,etc |
| 53 | gamma ray bursts | GRB | 57 | 3 | 1.003314 | 9905153,9905217,etc |
| 54 | red supergiant | RSG | 32 | 3 | 1.003805 | 9905030,9905102,etc |
| 55 | william herschel telescope | WHT | 68 | 3 | 1.001858 | 9905358,9905202,etc |
| 56 | cosmic ray | CR | 128 | 3 | 2.005334 | 9905179,9905283,etc |
| 57 | sunyaev zel'dovich effect | SZE | 62 | 3 | 2.004475 | 9905256,9905255,etc |
| 58 | big bang nucleosynthesis | BBN | 19 | 3 | 2.001461 | 9905106,9905211,etc |
| 59 | sunyaev zel'dovich | SZ | 53 | 3 | 1.002502 | 9905124,9905094,etc |
| 60 | probability distribution function | PDF | 41 | 3 | 2.001295 | 9905124,9905098,etc |
| 61 | weakly interacting massive particle | WIMP | 11 | 3 | 1.000369 | 9905193,9905283,etc |
| 62 | interstellar radiation field | ISRF | 16 | 3 | 1.000402 | 9905283,9905128,etc |
| 63 | inverse compton | IC | 16 | 3 | 2.000733 | 9905283,9905032,etc |
| 64 | position angle | PA | 35 | 3 | 1.001804 | 9905311,9905006,etc |
| 65 | press schechter | PS | 35 | 3 | 1.001012 | 9905098,9905281,etc |
| 66 | signal to noise ratio | S/N | 23 | 3 | 2.000325 | 9905234,9905073,etc |
| 67 | rossi x ray timing explorer | RXTE | 20 | 3 | 1.000592 | 9905344,9905380,etc |
| 68 | proportional counter unit | PCU | 8 | 3 | 1.000189 | 9905344,9905236,etc |
| 69 | fundamental plane | FP | 117 | 3 | 2.003162 | 9905064,9905084,etc |
| 70 | blue compact dwarf | BCD | 128 | 3 | 2.002882 | 9905102,9905345,etc |
| 71 | color magnitude diagrams | CMD | 46 | 3 | 1.001554 | 9905102,9905345,etc |
| 72 | high energy astrophysics science archive research center | HEASARC | 4 | 3 | 1.000074 | 9905126,9905380,etc |
| 73 | rosat all sky survey | RASS | 26 | 3 | 2.001858 | 9905126,9905133,etc |
| 74 | space telescope imaging spectrograph | STIS | 14 | 3 | 1.001367 | 9905377,9905097,etc |
| 75 | basel stellar library | BaSeL | 18 | 3 | 2.004776 | 9905334,9905273,etc |
| 76 | two point correlation function | TPCF | 17 | 3 | 1.00018 | 9905314,9905381,etc |
| 77 | supernovae | SN | 115 | 3 | 2.008452 | 9905313,9905395,etc |
| 78 | black hole | BH | 56 | 3 | 1.004542 | 9905097,9905213,etc |
| 79 | dwarf spheroidal | dSph | 32 | 3 | 2.00055 | 9905280,9905238,etc |
| 80 | narrow line region | NLR | 18 | 3 | 2.000773 | 9905006,9905388,etc |