| wolf rayet | WR | 182 | 9 | 2.006191 | 0210312,0210615,etc |
| low surface brightness | LSB | 287 | 9 | 1.00285 | 0210104,0210658,etc |
| signal to noise | S/N | 36 | 8 | 2.000836 | 0210635,0210343,etc |
| star formation history | SFH | 59 | 8 | 2.001348 | 0210104,0210260,etc |
| colour magnitude diagram | CMD | 51 | 8 | 1.001744 | 0210064,0210200,etc |
| inverse compton | IC | 78 | 8 | 2.00112 | 0210203,0210297,etc |
| kolmogorov smirnov | KS | 23 | 7 | 1.000219 | 0210401,0210399,etc |
| integrated sachs wolfe | ISW | 36 | 5 | 2.002457 | 0210209,0210365,etc |
| cosmic infrared background | CIRB | 74 | 5 | 1.003099 | 0210030,0210084,etc |
| tully fisher | TF | 92 | 5 | 2.002274 | 0210495,0210291,etc |
| all sky monitor | ASM | 46 | 5 | 1.0019 | 0210224,0210241,etc |
| wide field camera | WFC | 11 | 4 | 1.000293 | 0210416,0210616,etc |
| proportional counter array | PCA | 21 | 4 | 1.000816 | 0210397,0210513,etc |
| rosat all sky survey | RASS | 34 | 4 | 1.000885 | 0210101,0210067,etc |
| ultra luminous infrared galaxy | ULIRG | 17 | 4 | 1.000681 | 0210197,0210228,etc |
| synchrotron self compton | SSC | 11 | 4 | 1.000131 | 0210115,0210203,etc |
| high surface brightness | HSB | 65 | 4 | 1.00083 | 0210104,0210454,etc |
| wide field and planetary camera 2 | WFPC2 | 26 | 4 | 1.002429 | 0210503,0210643,etc |
| dwarf spheroidal | dSph | 28 | 4 | 1.000499 | 0210098,0210287,etc |
| infrared processing and analysis center | IPAC | 5 | 3 | 1.000143 | 0210566,0210084,etc |
| advanced ccd imaging spectrometer | ACIS | 16 | 3 | 2.000526 | 0210054,0210666,etc |
| space telescope imaging spectrograph | STIS | 26 | 3 | 1.001112 | 0210391,0210089,etc |
| sunyaev zeldovich | SZ | 64 | 3 | 2.006466 | 0210007,0210323,etc |
| main sequence turn off | MSTO | 24 | 3 | 2.000783 | 0210064,0210324,etc |
| short wavelength spectrometer | SWS | 46 | 3 | 1.005499 | 0210289,0210145,etc |
| near infrared camera and multi object spectrometer | NICMOS | 16 | 3 | 2.00038 | 0210273,0210146,etc |
| period luminosity | PL | 18 | 3 | 1.001841 | 0210068,0210295,etc |
| burst and transient source experiment | BATSE | 49 | 3 | 2.001406 | 0210031,0210124,etc |
| reflection grating spectrometer | RGS | 27 | 3 | 2.00117 | 0210150,0210665,etc |
| friends of friends | FOF | 13 | 3 | 2.005369 | 0210495,0210136,etc |
| the red giant branch | TRGB | 42 | 3 | 1.002397 | 0210098,0210414,etc |
| double degenerate | DD | 40 | 3 | 1.006249 | 0210155,0210621,etc |
| proportional counter unit | PCU | 10 | 3 | 1.000262 | 0210300,0210564,etc |
| equations of state | EOSs | 16 | 3 | 1.000925 | 0210018,0210175,etc |
| broad line agn | BLAGN | 10 | 3 | 1.001287 | 0210308,0210310,etc |
| radiation dominated | RD | 30 | 3 | 1.000765 | 0210281,0210221,etc |
| globular cluster system | GCS | 28 | 3 | 1.004562 | 0210290,0210574,etc |