| active galactic nucleus | AGN | 1106 | 56 | 1.004897 | 0511667,0511610,etc |
| cosmic microwave background | CMB | 701 | 51 | 2.002717 | 0511127,0511483,etc |
| spectral energy distribution | SED | 612 | 47 | 1.0022 | 0511610,0511507,etc |
| interstellar medium | ISM | 351 | 44 | 2.001164 | 0511424,0511235,etc |
| gamma ray burst | GRB | 1291 | 39 | 2.007059 | 0511842,0511049,etc |
| sloan digital sky survey | SDSS | 698 | 37 | 2.003468 | 0511507,0511578,etc |
| point spread function | PSF | 241 | 33 | 2.001407 | 0511572,0511793,etc |
| nasa/ipac extragalactic database | NED | 68 | 30 | 1.000275 | 0511799,0511507,etc |
| cold dark matter | CDM | 128 | 22 | 2.002663 | 0511313,0511357,etc |
| initial mass function | IMF | 271 | 21 | 1.003222 | 0511717,0511289,etc |
| equivalent width | EW | 133 | 21 | 1.00144 | 0511578,0511413,etc |
| hubble space telescope | HST | 113 | 20 | 1.001445 | 0511504,0511015,etc |
| supernova | SN | 991 | 20 | 1.009774 | 0511031,0511162,etc |
| star formation rate | SFR | 463 | 19 | 1.003852 | 0511730,0511578,etc |
| infrared | IR | 1008 | 19 | 2.007294 | 0511507,0511289,etc |
| near infrared | NIR | 291 | 19 | 1.00243 | 0511417,0511793,etc |
| two micron all sky survey | 2MASS | 213 | 17 | 1.002596 | 0511717,0511640,etc |
| supernova remnant | SNR | 560 | 17 | 2.003622 | 0511327,0511590,etc |
| black hole | BH | 489 | 15 | 2.004362 | 0511813,0511810,etc |
| very large array | VLA | 79 | 14 | 1.001394 | 0511547,0511504,etc |
| neutron star | NS | 385 | 14 | 2.003428 | 0511817,0511813,etc |
| low mass x ray binary | LMXB | 118 | 14 | 2.003295 | 0511191,0511380,etc |
| signal to noise | S/N | 37 | 13 | 1.000341 | 0511730,0511461,etc |
| astrophysical research consortium | ARC | 14 | 13 | 1.000039 | 0511730,0511640,etc |
| max planck institute for astronomy | MPIA | 13 | 13 | 1.000039 | 0511730,0511640,etc |
| max planck institute for astrophysics | MPA | 13 | 13 | 1.000039 | 0511730,0511640,etc |
| equation of state | EoS | 175 | 13 | 2.003871 | 0511313,0511150,etc |
| intergalactic medium | IGM | 112 | 13 | 1.001402 | 0511363,0511048,etc |
| advanced camera for surveys | ACS | 203 | 13 | 1.001897 | 0511453,0511571,etc |
| globular cluster | GC | 889 | 13 | 2.010918 | 0511022,0511291,etc |
| wilkinson microwave anisotropy probe | WMAP | 105 | 12 | 1.001818 | 0511127,0511504,etc |
| large magellanic cloud | LMC | 284 | 12 | 2.002978 | 0511327,0511305,etc |
| zero age main sequence | ZAMS | 70 | 12 | 1.000356 | 0511331,0511461,etc |
| young stellar object | YSO | 111 | 12 | 1.003987 | 0511448,0511684,etc |
| asymptotic giant branch | AGB | 156 | 12 | 2.003239 | 0511386,0511608,etc |
| smoothed particle hydrodynamics | SPH | 129 | 12 | 2.001785 | 0511527,0511529,etc |
| main sequence | MS | 172 | 11 | 1.001535 | 0511717,0511793,etc |
| kolmogorov smirnov | K-S | 48 | 11 | 2.000415 | 0511667,0511578,etc |
| full width at half maximum | FWHM | 56 | 11 | 1.001366 | 0511090,0511815,etc |
| red giant branch | RGB | 109 | 11 | 2.000992 | 0511413,0511020,etc |
| magnetohydrodynamic | MHD | 254 | 11 | 2.003673 | 0511348,0511586,etc |
| polycyclic aromatic hydrocarbon | PAH | 67 | 10 | 2.000974 | 0511507,0511289,etc |
| lyman break galaxy | LBG | 164 | 10 | 1.007414 | 0511289,0511598,etc |
| dark matter | DM | 234 | 10 | 2.001754 | 0511357,0511361,etc |
| planetary nebula | PN | 346 | 10 | 2.004188 | 0511504,0511020,etc |
| star formation | SF | 366 | 10 | 2.005847 | 0511556,0511020,etc |
| signal to noise ratio | S/N | 41 | 10 | 1.000975 | 0511413,0511283,etc |
| inverse compton | IC | 78 | 9 | 2.00086 | 0511610,0511103,etc |
| ultraviolet | UV | 163 | 9 | 1.001894 | 0511289,0511598,etc |
| x ray telescope | XRT | 185 | 9 | 1.005565 | 0511205,0511658,etc |
| luminosity function | LF | 187 | 8 | 2.006574 | 0511717,0511691,etc |
| color magnitude diagram | CMD | 115 | 8 | 2.001813 | 0511717,0511778,etc |
| star formation history | SFH | 39 | 8 | 1.000537 | 0511031,0511753,etc |
| very long baseline array | VLBA | 77 | 8 | 2.001516 | 0511383,0511282,etc |
| large scale structure | LSS | 41 | 8 | 2.002442 | 0511164,0511198,etc |
| supermassive black hole | SMBH | 304 | 7 | 1.003757 | 0511289,0511315,etc |
| far infrared | FIR | 63 | 7 | 2.001417 | 0511117,0511691,etc |
| adaptive mesh refinement | AMR | 58 | 7 | 1.001136 | 0511343,0511538,etc |
| local thermodynamic equilibrium | LTE | 52 | 7 | 2.000623 | 0511413,0511048,etc |
| luminous blue variable | LBV | 32 | 7 | 1.001258 | 0511048,0511522,etc |
| principal component analysis | PCA | 90 | 7 | 2.001368 | 0511753,0511503,etc |
| probability distribution function | PDF | 41 | 7 | 2.001085 | 0511688,0511012,etc |
| full width half maximum | FWHM | 18 | 7 | 1.000333 | 0511516,0511571,etc |
| big bang nucleosynthesis | BBN | 231 | 7 | 1.004393 | 0511231,0511043,etc |
| advection dominated accretion flow | ADAF | 34 | 6 | 1.000855 | 0511211,0511784,etc |
| cosmic microwave background radiation | CMBR | 82 | 6 | 1.003897 | 0511313,0511488,etc |
| canada france hawaii telescope | CFHT | 80 | 6 | 1.002222 | 0511090,0511753,etc |
| infrared spectrograph | IRS | 89 | 6 | 2.00332 | 0511640,0511092,etc |
| ultraluminous x ray source | ULX | 204 | 6 | 2.004572 | 0511493,0511393,etc |
| broad line region | BLR | 37 | 6 | 1.00243 | 0511315,0511216,etc |
| mid infrared | MIR | 31 | 6 | 1.00127 | 0511216,0511598,etc |
| radial velocity | RV | 122 | 6 | 1.002887 | 0511295,0511193,etc |
| distribution function | DF | 69 | 6 | 2.004703 | 0511782,0511302,etc |
| horizontal branch | HB | 141 | 6 | 2.001368 | 0511608,0511087,etc |
| general relativity | GR | 94 | 6 | 2.002026 | 0511824,0511473,etc |
| quasi periodic oscillation | QPO | 90 | 5 | 2.00422 | 0511211,0511292,etc |
| advanced ccd imaging spectrometer | ACIS | 72 | 5 | 1.001008 | 0511327,0511516,etc |
| low energy transmission grating | LETG | 25 | 5 | 1.001046 | 0511327,0511084,etc |
| pulsar wind nebula | PWN | 98 | 5 | 2.001825 | 0511327,0511495,etc |
| small magellanic cloud | SMC | 55 | 5 | 2.004919 | 0511327,0511305,etc |
| cross correlation function | CCF | 61 | 5 | 1.001002 | 0511207,0511679,etc |
| field of view | FOV | 25 | 5 | 1.000494 | 0511507,0511572,etc |
| hubble deep field north | HDFN | 16 | 5 | 1.000425 | 0511507,0511359,etc |
| great observatories origins deep survey | GOODS | 73 | 5 | 1.001497 | 0511507,0511359,etc |
| european space agency | ESA | 10 | 5 | 1.000342 | 0511572,0511115,etc |
| particle physics and astronomy research council | PPARC | 8 | 5 | 1.000189 | 0511359,0511793,etc |
| infrared array camera | IRAC | 46 | 5 | 1.00035 | 0511117,0511336,etc |
| astronomical image processing system | AIPS | 11 | 5 | 1.000152 | 0511504,0511261,etc |
| fundamental plane | FP | 196 | 5 | 2.003673 | 0511544,0511533,etc |
| monte carlo | MC | 40 | 5 | 2.00032 | 0511802,0511048,etc |
| legacy archive for microwave background data analysis | LAMBDA | 11 | 5 | 1.000206 | 0511802,0511384,etc |
| white dwarf | WD | 112 | 5 | 2.004264 | 0511813,0511632,etc |
| submillimeter array | SMA | 26 | 5 | 2.000671 | 0511059,0511076,etc |
| intermediate mass black hole | IMBH | 316 | 5 | 1.007562 | 0511782,0511540,etc |
| infrared space observatory | ISO | 64 | 5 | 2.002208 | 0511261,0511815,etc |
| charge transfer inefficiency | CTI | 8 | 5 | 1.000196 | 0511364,0511168,etc |
| magnetohydrodynamics | MHD | 124 | 5 | 2.001092 | 0511545,0511123,etc |
| galactic center | GC | 45 | 5 | 1.001827 | 0511302,0511221,etc |
| australia telescope compact array | ATCA | 48 | 5 | 2.002302 | 0511554,0511619,etc |
| simple stellar population | SSP | 32 | 5 | 1.000632 | 0511033,0511305,etc |
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