| cold dark matter | CDM | 174 | 13 | 1.002305 | 9608041,9608004,etc |
| active galactic nucleus | AGN | 166 | 10 | 2.001534 | 9608170,9608163,etc |
| cosmic microwave background | CMB | 84 | 10 | 1.005891 | 9608176,9608068,etc |
| point spread function | PSF | 52 | 8 | 2.000812 | 9608170,9608048,etc |
| luminosity function | LF | 66 | 6 | 1.002174 | 9608118,9608091,etc |
| hubble space telescope | HST | 52 | 5 | 2.001487 | 9608198,9608013,etc |
| interstellar medium | ISM | 17 | 5 | 1.000267 | 9608064,9608153,etc |
| broad line region | BLR | 61 | 4 | 2.003044 | 9608163,9608134,etc |
| position sensitive proportional counter | PSPC | 56 | 4 | 2.001405 | 9608048,9608200,etc |
| extreme ultraviolet | EUV | 42 | 3 | 1.000457 | 9608198,9608163,etc |
| low mass x ray binary | LMXRB | 51 | 3 | 2.002969 | 9608015,9608058,etc |
| kolmogorov smirnov | KS | 17 | 3 | 2.000286 | 9608014,9608146,etc |
| large magellanic cloud | LMC | 78 | 3 | 2.004544 | 9608036,9608107,etc |
| ultra steep spectrum | USS | 41 | 3 | 2.00173 | 9608099,9608092,etc |
| new technology telescope | NTT | 10 | 3 | 1.00053 | 9608099,9608092,etc |
| hubble deep field | HDF | 35 | 3 | 2.003869 | 9608004,9608043,etc |
| massive compact halo object | MACHO | 7 | 3 | 1.000685 | 9608138,9608096,etc |
| friedmann robertson walker | FRW | 9 | 3 | 1.000335 | 9608183,9608068,etc |
| intergalactic medium | IGM | 109 | 3 | 2.002242 | 9608172,9608010,etc |
| signal to noise | S/N | 30 | 3 | 2.001075 | 9608092,9608007,etc |
| intracluster medium | ICM | 17 | 3 | 1.000468 | 9608067,9608071,etc |
| distribution function | DF | 20 | 3 | 1.004531 | 9608194,9608149,etc |