| 1 | active galactic nucleus | AGN | 109 | 14 | 1.00244 | 9705103,9705175,etc |
| 2 | initial mass function | IMF | 151 | 13 | 1.001267 | 9705073,9705133,etc |
| 3 | cosmic microwave background | CMB | 227 | 10 | 2.002254 | 9705116,9705182,etc |
| 4 | cold dark matter | CDM | 256 | 9 | 1.005335 | 9705029,9705221,etc |
| 5 | hubble space telescope | HST | 213 | 7 | 2.001762 | 9705192,9705133,etc |
| 6 | red giant branch | RGB | 135 | 7 | 2.001673 | 9705186,9705104,etc |
| 7 | full width at half maximum | FWHM | 28 | 7 | 1.000094 | 9705242,9705005,etc |
| 8 | point spread function | PSF | 167 | 7 | 2.002438 | 9705005,9705203,etc |
| 9 | luminosity function | LF | 443 | 6 | 2.004312 | 9705120,9705133,etc |
| 10 | interstellar medium | ISM | 64 | 6 | 1.001024 | 9705236,9705175,etc |
| 11 | gamma ray burst | GRB | 191 | 5 | 2.006768 | 9705052,9705128,etc |
| 12 | supernova | SN | 178 | 5 | 1.002462 | 9705029,9705104,etc |
| 13 | cosmic microwave background radiation | CMBR | 68 | 5 | 2.002386 | 9705169,9705178,etc |
| 14 | color magnitude diagram | CMD | 95 | 5 | 2.006039 | 9705006,9705102,etc |
| 15 | spectral energy distribution | SED | 106 | 5 | 2.003278 | 9705207,9705014,etc |
| 16 | asymptotic giant branch | AGB | 57 | 5 | 1.000872 | 9705005,9705097,etc |
| 17 | burst and transient source experiment | BATSE | 30 | 4 | 1.001135 | 9705052,9705171,etc |
| 18 | mass function | MF | 179 | 4 | 2.004603 | 9705133,9705065,etc |
| 19 | horizontal branch | HB | 265 | 4 | 2.008547 | 9705006,9705173,etc |
| 20 | main sequence | MS | 65 | 4 | 2.001471 | 9705006,9705005,etc |
| 21 | star formation rate | SFR | 37 | 4 | 1.001434 | 9705006,9705014,etc |
| 22 | supernova remnant | SNR | 94 | 4 | 1.001835 | 9705104,9705114,etc |
| 23 | planetary nebula | PN | 113 | 4 | 2.003883 | 9705104,9705009,etc |
| 24 | white dwarf | WD | 33 | 4 | 1.002049 | 9705091,9705111,etc |
| 25 | infrared | IR | 16 | 3 | 1.001993 | 9705162,9705154,etc |
| 26 | equation of state | EOS | 51 | 3 | 1.002175 | 9705157,9705063,etc |
| 27 | near infrared | NIR | 65 | 3 | 2.003559 | 9705100,9705075,etc |
| 28 | pre main sequence | PMS | 22 | 3 | 1.0009 | 9705226,9705225,etc |
| 29 | local group | LG | 92 | 3 | 1.003314 | 9705006,9705005,etc |
| 30 | nasa/ipac extragalactic database | NED | 3 | 3 | 1.00009 | 9705242,9705034,etc |
| 31 | cosmic background radiation | CBR | 32 | 3 | 2.001404 | 9705045,9705131,etc |
| 32 | dwarf irregular | dIr | 53 | 3 | 2.001766 | 9705005,9705139,etc |
| 33 | very low mass stars | VLMS | 13 | 3 | 1.000487 | 9705065,9705059,etc |
| 34 | color magnitude diagrams | CMD | 12 | 3 | 1.000391 | 9705065,9705059,etc |
| 35 | singular isothermal sphere | SIS | 14 | 3 | 1.000666 | 9705172,9705209,etc |
| 36 | advection dominated accretion flow | ADAF | 186 | 3 | 2.001348 | 9705044,9705237,etc |
| 37 | zero age main sequence | ZAMS | 29 | 3 | 1.000675 | 9705097,9705007,etc |