| active galactic nucleus | AGN | 1001 | 46 | 2.006675 | 0411328,0411485,etc |
| spectral energy distribution | SED | 315 | 41 | 2.001906 | 0411136,0411020,etc |
| interstellar medium | ISM | 406 | 41 | 2.002449 | 0411699,0411738,etc |
| cosmic microwave background | CMB | 542 | 40 | 1.003142 | 0411633,0411013,etc |
| point spread function | PSF | 389 | 37 | 1.002185 | 0411328,0411736,etc |
| sloan digital sky survey | SDSS | 398 | 36 | 2.003335 | 0411552,0411406,etc |
| star formation rate | SFR | 399 | 30 | 1.004572 | 0411364,0411424,etc |
| initial mass function | IMF | 497 | 30 | 2.003322 | 0411699,0411480,etc |
| gamma ray burst | GRB | 585 | 24 | 2.00694 | 0411675,0411608,etc |
| cold dark matter | CDM | 182 | 22 | 2.002542 | 0411552,0411013,etc |
| intergalactic medium | IGM | 306 | 20 | 1.001897 | 0411072,0411076,etc |
| equivalent width | EW | 250 | 20 | 1.001489 | 0411128,0411578,etc |
| nasa/ipac extragalactic database | NED | 39 | 20 | 1.000233 | 0411721,0411093,etc |
| hubble space telescope | HST | 169 | 19 | 2.000986 | 0411646,0411195,etc |
| ultraviolet | UV | 441 | 18 | 2.008531 | 0411780,0411308,etc |
| supernova | SN | 481 | 17 | 2.00588 | 0411312,0411230,etc |
| asymptotic giant branch | AGB | 280 | 15 | 2.002862 | 0411736,0411021,etc |
| very large array | VLA | 132 | 15 | 2.001468 | 0411511,0411021,etc |
| luminosity function | LF | 213 | 14 | 1.003468 | 0411364,0411391,etc |
| equation of state | EOS | 160 | 14 | 2.003092 | 0411630,0411427,etc |
| color magnitude diagram | CMD | 107 | 14 | 2.001376 | 0411710,0411332,etc |
| signal to noise ratio | S/N | 85 | 14 | 1.000538 | 0411631,0411616,etc |
| astrophysical research consortium | ARC | 18 | 12 | 1.00029 | 0411197,0411252,etc |
| max planck institute for astronomy | MPIA | 12 | 12 | 1.000084 | 0411197,0411252,etc |
| max planck institute for astrophysics | MPA | 12 | 12 | 1.000084 | 0411197,0411252,etc |
| white dwarf | WD | 157 | 11 | 1.00861 | 0411514,0411008,etc |
| large magellanic cloud | LMC | 230 | 11 | 1.004812 | 0411622,0411222,etc |
| neutron star | NS | 195 | 10 | 2.004721 | 0411675,0411423,etc |
| black hole | BH | 313 | 10 | 1.005905 | 0411230,0411423,etc |
| infrared | IR | 299 | 10 | 2.00762 | 0411445,0411738,etc |
| supernova remnant | SNR | 384 | 10 | 1.006689 | 0411738,0411201,etc |
| full width at half maximum | FWHM | 27 | 10 | 1.000368 | 0411157,0411431,etc |
| far infrared | FIR | 120 | 10 | 2.004096 | 0411085,0411343,etc |
| near infrared | NIR | 51 | 9 | 1.001614 | 0411149,0411706,etc |
| colour magnitude diagram | CMD | 87 | 9 | 1.000863 | 0411169,0411095,etc |
| far uv | FUV | 127 | 9 | 1.003743 | 0411406,0411327,etc |
| kolmogorov smirnov | K-S | 27 | 9 | 1.00037 | 0411721,0411003,etc |
| advanced camera for surveys | ACS | 158 | 9 | 2.00182 | 0411195,0411003,etc |
| horizontal branch | HB | 193 | 9 | 2.003889 | 0411371,0411318,etc |
| red giant branch | RGB | 200 | 9 | 2.003933 | 0411231,0411095,etc |
| cataclysmic variable | CV | 139 | 9 | 1.003365 | 0411200,0411600,etc |
| planetary nebula | PN | 298 | 8 | 2.004293 | 0411736,0411556,etc |
| lyman break galaxy | LBG | 212 | 8 | 1.005713 | 0411072,0411424,etc |
| science analysis system | SAS | 9 | 8 | 1.000204 | 0411149,0411696,etc |
| broad line region | BLR | 76 | 8 | 2.000889 | 0411469,0411380,etc |
| galaxy evolution explorer | GALEX | 160 | 8 | 2.001964 | 0411424,0411308,etc |
| intracluster medium | ICM | 130 | 8 | 1.003632 | 0411446,0411651,etc |
| high velocity cloud | HVC | 76 | 8 | 2.001219 | 0411211,0411426,etc |
| globular cluster | GC | 466 | 8 | 2.008537 | 0411241,0411160,etc |
| smoothed particle hydrodynamics | SPH | 31 | 7 | 1.000479 | 0411795,0411088,etc |
| two micron all sky survey | 2MASS | 55 | 7 | 1.001272 | 0411169,0411093,etc |
| near uv | NUV | 97 | 7 | 1.003426 | 0411406,0411327,etc |
| particle physics and astronomy research council | PPARC | 10 | 7 | 1.000101 | 0411186,0411331,etc |
| main sequence | MS | 70 | 7 | 2.001158 | 0411423,0411047,etc |
| wilkinson microwave anisotropy probe | WMAP | 52 | 7 | 1.000621 | 0411195,0411392,etc |
| australia telescope compact array | ATCA | 29 | 7 | 1.00103 | 0411578,0411201,etc |
| young stellar object | YSO | 115 | 7 | 2.002271 | 0411602,0411119,etc |
| magnetohydrodynamic | MHD | 65 | 7 | 2.001846 | 0411627,0411743,etc |
| pre main sequence | PMS | 65 | 7 | 1.003823 | 0411397,0411111,etc |
| radial velocity | RV | 79 | 6 | 1.004093 | 0411127,0411679,etc |
| probability density function | PDF | 52 | 6 | 1.001364 | 0411072,0411480,etc |
| cosmic microwave background radiation | CMB | 83 | 6 | 2.001726 | 0411630,0411122,etc |
| very large telescope | VLT | 30 | 6 | 1.00027 | 0411367,0411386,etc |
| full width half maximum | FWHM | 21 | 6 | 2.000143 | 0411738,0411065,etc |
| cosmic ray | CR | 139 | 6 | 2.005141 | 0411195,0411074,etc |
| wide field imager | WFI | 17 | 6 | 2.001112 | 0411782,0411233,etc |
| advection dominated accretion flow | ADAF | 151 | 6 | 2.007059 | 0411145,0411801,etc |
| low mass x ray binary | LMXB | 42 | 6 | 1.001351 | 0411145,0411003,etc |
| very long baseline interferometry | VLBI | 53 | 6 | 2.000942 | 0411459,0411478,etc |
| ultra high energy cosmic rays | UHECR | 81 | 6 | 1.00247 | 0411113,0411060,etc |
| dark matter | DM | 46 | 6 | 1.004638 | 0411400,0411386,etc |
| medium energy grating | MEG | 60 | 5 | 2.001471 | 0411780,0411236,etc |
| high energy grating | HEG | 44 | 5 | 2.001746 | 0411780,0411571,etc |
| galactic center | GC | 114 | 5 | 2.005588 | 0411677,0411351,etc |
| quasi stellar object | QSO | 62 | 5 | 2.00113 | 0411072,0411085,etc |
| adaptive mesh refinement | AMR | 62 | 5 | 1.004401 | 0411795,0411480,etc |
| digitized sky survey | DSS | 8 | 5 | 1.000184 | 0411169,0411721,etc |
| all sky imaging survey | AIS | 22 | 5 | 1.001216 | 0411406,0411327,etc |
| 2df galaxy redshift survey | 2dFGRS | 63 | 5 | 1.003914 | 0411364,0411090,etc |
| extremely red object | ERO | 172 | 5 | 1.01158 | 0411128,0411433,etc |
| large scale structure | LSS | 5 | 5 | 1.000251 | 0411630,0411092,etc |
| signal to noise | S/N | 24 | 5 | 1.000391 | 0411721,0411332,etc |
| polycyclic aromatic hydrocarbon | PAH | 27 | 5 | 1.000468 | 0411367,0411063,etc |
| x ray binary | XRB | 164 | 5 | 2.006222 | 0411423,0411274,etc |
| local standard of rest | LSR | 11 | 5 | 1.000199 | 0411738,0411211,etc |
| infrared space observatory | ISO | 40 | 5 | 2.001602 | 0411390,0411157,etc |
| chandra deep field south | CDF-S | 23 | 5 | 1.000523 | 0411333,0411244,etc |
| giant metrewave radio telescope | GMRT | 37 | 5 | 1.000924 | 0411708,0411665,etc |
| radio frequency interference | RFI | 27 | 5 | 1.002524 | 0411007,0411665,etc |
| position angle | PA | 42 | 5 | 2.000591 | 0411580,0411628,etc |
| extensive air showers | EAS | 36 | 5 | 1.002038 | 0411223,0411144,etc |
| synchrotron self compton | SSC | 51 | 5 | 1.001514 | 0411093,0411024,etc |
| friedmann robertson walker | FRW | 9 | 5 | 1.000207 | 0411209,0411253,etc |
| milky way | MW | 44 | 5 | 1.002474 | 0411710,0411275,etc |
| supermassive black hole | SMBH | 64 | 5 | 2.001797 | 0411478,0411167,etc |
| rotation measure | RM | 158 | 5 | 2.004306 | 0411720,0411687,etc |
| astronomical image processing system | AIPS | 11 | 5 | 1.00041 | 0411720,0411142,etc |
| space telescope imaging spectrograph | STIS | 30 | 5 | 2.001377 | 0411151,0411148,etc |
| narrow line region | NLR | 13 | 5 | 1.000275 | 0411380,0411247,etc |
| star formation | SF | 148 | 5 | 2.00707 | 0411772,0411775,etc |
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