| 1 | cosmic microwave background | CMB | 143 | 12 | 1.002575 | 9610221,9610117,etc |
| 2 | point spread function | PSF | 173 | 11 | 1.00221 | 9610124,9610236,etc |
| 3 | active galactic nucleus | AGN | 218 | 10 | 2.007029 | 9610127,9610221,etc |
| 4 | luminosity function | LF | 240 | 10 | 2.003286 | 9610027,9610116,etc |
| 5 | cold dark matter | CDM | 124 | 9 | 1.003382 | 9610236,9610147,etc |
| 6 | large magellanic cloud | LMC | 64 | 9 | 2.0031 | 9610025,9610200,etc |
| 7 | position sensitive proportional counter | PSPC | 69 | 8 | 2.001134 | 9610124,9610127,etc |
| 8 | interstellar medium | ISM | 43 | 8 | 2.000815 | 9610028,9610059,etc |
| 9 | tully fisher | TF | 734 | 7 | 2.004953 | 9610116,9610117,etc |
| 10 | spectral energy distribution | SED | 58 | 6 | 2.001624 | 9610122,9610036,etc |
| 11 | nasa/ipac extragalactic database | NED | 7 | 6 | 1.000192 | 9610127,9610179,etc |
| 12 | big bang nucleosynthesis | BBN | 55 | 6 | 2.001456 | 9610220,9610147,etc |
| 13 | hubble space telescope | HST | 100 | 6 | 1.00211 | 9610200,9610036,etc |
| 14 | initial mass function | IMF | 81 | 6 | 1.001208 | 9610059,9610039,etc |
| 15 | x ray background | XRB | 205 | 5 | 2.001897 | 9610124,9610236,etc |
| 16 | burst and transient source experiment | BATSE | 21 | 4 | 1.000879 | 9610079,9610064,etc |
| 17 | kitt peak national observatory | KPNO | 10 | 4 | 1.000205 | 9610117,9610082,etc |
| 18 | kolmogorov smirnov | K-S | 57 | 4 | 1.003703 | 9610065,9610007,etc |
| 19 | supernova | SN | 97 | 4 | 2.014115 | 9610059,9610261,etc |
| 20 | probability distribution function | PDF | 86 | 4 | 2.004166 | 9610018,9610175,etc |
| 21 | dark matter | DM | 81 | 4 | 2.002712 | 9610264,9610249,etc |
| 22 | x ray luminosity function | XLF | 65 | 3 | 1.001973 | 9610124,9610236,etc |
| 23 | narrow emission line galaxy | NELG | 30 | 3 | 1.00054 | 9610124,9610236,etc |
| 24 | spectroscopy detector | SD | 17 | 3 | 1.002134 | 9610144,9610143,etc |
| 25 | wolf rayet | WR | 35 | 3 | 2.004379 | 9610136,9610186,etc |
| 26 | ultraviolet | UV | 112 | 3 | 2.004484 | 9610107,9610061,etc |
| 27 | low mass x ray binary | LMXB | 13 | 3 | 2.000236 | 9610079,9610110,etc |
| 28 | national astronomy and ionosphere center | NAIC | 6 | 3 | 1.000229 | 9610117,9610118,etc |
| 29 | national radio astronomy observatory | NRAO | 6 | 3 | 1.000229 | 9610117,9610118,etc |
| 30 | cerro tololo interamerican observatory | CTIO | 6 | 3 | 1.000229 | 9610117,9610118,etc |
| 31 | palomar observatory | PO | 6 | 3 | 1.000229 | 9610117,9610118,etc |
| 32 | michigan dartmouth mit observatory | MDM | 7 | 3 | 1.000071 | 9610117,9610118,etc |
| 33 | cross correlation function | CCF | 70 | 3 | 2.003549 | 9610246,9610018,etc |
| 34 | hot bottom burning | HBB | 71 | 3 | 2.002754 | 9610261,9610063,etc |
| 35 | low surface brightness | LSB | 64 | 3 | 1.011704 | 9610009,9610216,etc |
| 36 | equation of state | EOS | 63 | 3 | 1.001914 | 9610265,9610191,etc |
| 37 | standard big bang nucleosynthesis | SBBN | 52 | 3 | 1.004819 | 9610039,9610113,etc |
| 38 | circumstellar medium | CSM | 36 | 3 | 2.003586 | 9610022,9610023,etc |