| active galactic nucleus | AGN | 72 | 8 | 1.000893 | 9603058,9603055,etc |
| big bang nucleosynthesis | BBN | 149 | 7 | 1.002877 | 9603087,9603105,etc |
| interstellar medium | ISM | 39 | 6 | 1.000977 | 9603087,9603140,etc |
| nasa/ipac extragalactic database | NED | 11 | 5 | 1.000571 | 9603052,9603161,etc |
| equation of state | EOS | 47 | 4 | 1.003808 | 9603142,9603092,etc |
| cold dark matter | CDM | 51 | 4 | 2.001015 | 9603016,9603027,etc |
| far infrared | FIR | 23 | 4 | 2.000292 | 9603161,9603111,etc |
| equivalent width | EW | 16 | 3 | 1.000777 | 9603041,9603055,etc |
| point spread function | PSF | 26 | 3 | 2.000885 | 9603012,9603103,etc |
| quasar absorption systems | QAS | 24 | 3 | 2.000392 | 9603105,9603070,etc |
| broad emission line region | BELR | 17 | 3 | 1.0012 | 9603055,9603057,etc |
| hopkins ultraviolet telescope | HUT | 21 | 3 | 2.000707 | 9603055,9603057,etc |
| cosmic microwave background | CMB | 50 | 3 | 2.002396 | 9603151,9603033,etc |
| broad line region | BLR | 9 | 3 | 1.000333 | 9603096,9603161,etc |
| spectral energy distribution | SED | 32 | 3 | 1.000556 | 9603127,9603099,etc |
| cosmic microwave background radiation | CMBR | 58 | 3 | 2.002655 | 9603064,9603150,etc |
| large area detector | LAD | 6 | 3 | 1.000331 | 9603154,9603112,etc |