| 1 | cold dark matter | CDM | 166 | 7 | 1.007636 | 9703161,9703111,etc |
| 2 | cosmic microwave background | CMB | 140 | 7 | 2.004273 | 9703185,9703165,etc |
| 3 | luminosity function | LF | 126 | 7 | 1.001685 | 9703050,9703104,etc |
| 4 | hubble space telescope | HST | 33 | 6 | 2.000547 | 9703048,9703149,etc |
| 5 | initial mass function | IMF | 74 | 6 | 1.001737 | 9703109,9703111,etc |
| 6 | interstellar medium | ISM | 52 | 6 | 2.000776 | 9703083,9703128,etc |
| 7 | cosmic background radiation | CBR | 163 | 5 | 2.000382 | 9703194,9703196,etc |
| 8 | nasa/ipac extragalactic database | NED | 7 | 5 | 1.000348 | 9703073,9703031,etc |
| 9 | horizontal branch | HB | 14 | 4 | 1.000625 | 9703048,9703010,etc |
| 10 | spectral energy distribution | SED | 14 | 4 | 1.00018 | 9703080,9703111,etc |
| 11 | position sensitive proportional counter | PSPC | 42 | 4 | 2.001961 | 9703018,9703114,etc |
| 12 | point spread function | PSF | 26 | 4 | 2.003845 | 9703149,9703193,etc |
| 13 | broad line region | BLR | 62 | 4 | 1.001937 | 9703023,9703153,etc |
| 14 | color magnitude diagram | CMD | 28 | 3 | 2.001488 | 9703048,9703166,etc |
| 15 | faint object spectrograph | FOS | 52 | 3 | 1.002266 | 9703080,9703180,etc |
| 16 | kitt peak national observatory | KPNO | 17 | 3 | 1.000113 | 9703080,9703024,etc |
| 17 | red giant branch | RGB | 24 | 3 | 2.001955 | 9703010,9703166,etc |
| 18 | william herschel telescope | WHT | 9 | 3 | 1.00008 | 9703169,9703163,etc |
| 19 | hubble deep field | HDF | 24 | 3 | 2.002149 | 9703169,9703111,etc |
| 20 | high resolution imager | HRI | 68 | 3 | 2.001315 | 9703083,9703018,etc |
| 21 | very large array | VLA | 10 | 3 | 1.000994 | 9703083,9703163,etc |
| 22 | quasi periodic oscillation | QPO | 48 | 3 | 2.005943 | 9703051,9703052,etc |
| 23 | intracluster medium | ICM | 24 | 3 | 2.000457 | 9703176,9703012,etc |
| 24 | dark matter | DM | 49 | 3 | 2.00524 | 9703176,9703112,etc |
| 25 | star formation rate | SFR | 37 | 3 | 1.005019 | 9703111,9703093,etc |
| 26 | gamma ray burst | GRB | 62 | 3 | 2.002373 | 9703150,9703187,etc |
| 27 | fundamental plane | FP | 191 | 3 | 2.003732 | 9703157,9703024,etc |
| 28 | equation of state | EOS | 44 | 3 | 1.003795 | 9703066,9703138,etc |
| 29 | equivalent width | eV | 49 | 3 | 2.000744 | 9703013,9703199,etc |
| 30 | signal to noise ratio | SNR | 11 | 3 | 1.000185 | 9703153,9703134,etc |