| max planck institute for astronomy | MPA | 18 | 18 | 1.000047 | 0512463,0512325,etc |
| astrophysical research consortium | ARC | 21 | 15 | 1.000191 | 0512325,0512127,etc |
| signal to noise | S/N | 63 | 13 | 2.000468 | 0512357,0512457,etc |
| kolmogorov smirnov | KS | 35 | 9 | 2.000455 | 0512357,0512534,etc |
| advanced camera for surveys | ACS | 131 | 8 | 1.004035 | 0512491,0512102,etc |
| friends of friends | FOF | 17 | 7 | 1.000221 | 0512506,0512187,etc |
| intra cluster medium | ICM | 67 | 7 | 2.001246 | 0512547,0512475,etc |
| three dimensional | 3D | 72 | 6 | 2.002112 | 0512049,0512217,etc |
| synchrotron self compton | SSC | 72 | 6 | 2.001019 | 0512489,0512628,etc |
| markov chain monte carlo | MCMC | 64 | 6 | 2.000855 | 0512621,0512631,etc |
| greisen zatsepin kuzmin | GZK | 30 | 5 | 2.001034 | 0512265,0512439,etc |
| low surface brightness | LSB | 37 | 5 | 1.003885 | 0512640,0512416,etc |
| adaptive refinement tree | ART | 9 | 5 | 1.000141 | 0512234,0512416,etc |
| friedmann robertson walker | FRW | 17 | 5 | 1.000527 | 0512135,0512014,etc |
| colour magnitude diagram | CMD | 63 | 5 | 1.001515 | 0512522,0512024,etc |
| submillimeter array | SMA | 38 | 5 | 2.00093 | 0512225,0512122,etc |
| european photon imaging camera | EPIC | 60 | 4 | 2.001157 | 0512260,0512441,etc |
| integrated sachs wolfe | ISW | 33 | 4 | 2.002481 | 0512135,0512159,etc |
| ultra high energy | UHE | 27 | 4 | 2.002251 | 0512345,0512337,etc |
| space telescope imaging spectrograph | STIS | 65 | 4 | 2.000916 | 0512084,0512163,etc |
| particle physics and astronomy research council | PPARC | 5 | 4 | 1.000384 | 0512363,0512449,etc |
| reflection grating spectrometer | RGS | 41 | 4 | 2.001088 | 0512410,0512549,etc |
| super massive black hole | SMBH | 42 | 4 | 2.002023 | 0512648,0512022,etc |
| singular isothermal ellipsoid | SIE | 11 | 4 | 2.000325 | 0512648,0512239,etc |
| high resolution channel | HRC | 21 | 4 | 1.000839 | 0512102,0512057,etc |
| sunyaev zel'dovich | SZ | 197 | 4 | 1.005646 | 0512104,0512378,etc |
| proportional counter array | PCA | 13 | 4 | 1.001082 | 0512176,0512394,etc |
| two dimensional | 2-D | 105 | 4 | 1.00131 | 0512068,0512178,etc |
| herbig haro | HH | 277 | 3 | 2.008908 | 0512470,0512268,etc |
| young massive cluster | YMC | 43 | 3 | 2.000488 | 0512302,0512474,etc |
| all sky monitor | ASM | 79 | 3 | 2.003393 | 0512414,0512628,etc |
| monte carlo | MC | 8 | 3 | 1.000176 | 0512283,0512460,etc |
| noao deep wide field survey | NDWFS | 70 | 3 | 2.002002 | 0512215,0512623,etc |
| x ray luminosity function | XLF | 37 | 3 | 1.001708 | 0512547,0512441,etc |
| position velocity | PV | 21 | 3 | 2.001351 | 0512099,0512268,etc |
| wide field camera | WFCAM | 7 | 3 | 1.000323 | 0512325,0512028,etc |
| star formation history | SFH | 7 | 3 | 1.000099 | 0512109,0512175,etc |
| nasa extragalactic database | NED | 10 | 3 | 1.000296 | 0512277,0512228,etc |
| solar blind channel | SBC | 27 | 3 | 1.003805 | 0512102,0512101,etc |
| advanced ccd imaging spectrometer | ACIS | 17 | 3 | 2.000806 | 0512012,0512209,etc |
| magneto rotational instability | MRI | 5 | 3 | 1.000631 | 0512083,0512256,etc |
| proportional counter unit | PCU | 30 | 3 | 2.000309 | 0512176,0512628,etc |
| compact steep spectrum | CSS | 72 | 3 | 2.003099 | 0512034,0512590,etc |
| gigahertz peaked spectrum | GPS | 10 | 3 | 1.001778 | 0512590,0512057,etc |
| cosmic infrared background | CIB | 17 | 3 | 2.000618 | 0512628,0512384,etc |
| very high energy | VHE | 22 | 3 | 2.001646 | 0512442,0512162,etc |
| particle mesh | PM | 4 | 3 | 1.000166 | 0512167,0512435,etc |
| one dimensional | 1-D | 13 | 3 | 1.001167 | 0512068,0512178,etc |
| eso multi mode instrument | EMMI | 12 | 3 | 1.000354 | 0512183,0512531,etc |
| legacy archive for microwave background data analysis | LAMBDA | 5 | 3 | 1.000231 | 0512112,0512267,etc |
| gunn peterson | GP | 69 | 3 | 1.001807 | 0512082,0512154,etc |
| wolf rayet | W-R | 151 | 3 | 1.00325 | 0512110,0512035,etc |
| science analysis system | SAS | 7 | 3 | 1.000114 | 0512480,0512016,etc |
| rosat all sky survey | RASS | 62 | 3 | 1.001958 | 0512645,0512157,etc |