| active galactic nucleus | AGN | 522 | 36 | 2.004384 | 0404172,0404217,etc |
| spectral energy distribution | SED | 399 | 35 | 2.003405 | 0404450,0404262,etc |
| interstellar medium | ISM | 343 | 27 | 2.002474 | 0404450,0404221,etc |
| cosmic microwave background | CMB | 423 | 27 | 1.002715 | 0404202,0404022,etc |
| point spread function | PSF | 111 | 20 | 1.001402 | 0404034,0404450,etc |
| supernova | SN | 961 | 20 | 2.006445 | 0404202,0404608,etc |
| initial mass function | IMF | 255 | 20 | 2.002332 | 0404424,0404028,etc |
| sloan digital sky survey | SDSS | 383 | 19 | 2.004175 | 0404009,0404474,etc |
| nasa/ipac extragalactic database | NED | 48 | 17 | 1.000257 | 0404444,0404162,etc |
| luminosity function | LF | 293 | 17 | 2.004273 | 0404044,0404403,etc |
| cold dark matter | CDM | 80 | 16 | 2.002659 | 0404022,0404268,etc |
| large magellanic cloud | LMC | 485 | 15 | 2.007164 | 0404367,0404017,etc |
| asymptotic giant branch | AGB | 278 | 13 | 1.003274 | 0404424,0404403,etc |
| gamma ray burst | GRB | 300 | 13 | 2.005673 | 0404140,0404512,etc |
| globular cluster | GC | 509 | 12 | 2.008764 | 0404424,0404189,etc |
| supernova remnant | SNR | 324 | 12 | 2.006518 | 0404262,0404355,etc |
| hubble space telescope | HST | 40 | 12 | 2.000571 | 0404474,0404057,etc |
| near infrared | NIR | 154 | 12 | 2.003961 | 0404194,0404372,etc |
| field of view | FOV | 71 | 12 | 1.000977 | 0404194,0404057,etc |
| equivalent width | EW | 185 | 11 | 2.004057 | 0404444,0404133,etc |
| white dwarf | WD | 229 | 11 | 1.00379 | 0404361,0404214,etc |
| color magnitude diagram | CMD | 77 | 11 | 2.001279 | 0404268,0404292,etc |
| signal to noise ratio | SNR | 68 | 11 | 2.000992 | 0404508,0404473,etc |
| star formation rate | SFR | 139 | 10 | 2.001301 | 0404172,0404439,etc |
| infrared | IR | 436 | 10 | 2.005784 | 0404262,0404035,etc |
| two micron all sky survey | 2MASS | 114 | 10 | 2.001757 | 0404009,0404339,etc |
| astrophysical research consortium | ARC | 10 | 10 | 1.000126 | 0404268,0404133,etc |
| max planck institute for astronomy | MPIA | 10 | 10 | 1.000103 | 0404268,0404133,etc |
| max planck institute for astrophysics | MPA | 10 | 10 | 1.000103 | 0404268,0404133,etc |
| wilkinson microwave anisotropy probe | WMAP | 110 | 9 | 2.004826 | 0404202,0404277,etc |
| main sequence | MS | 147 | 9 | 2.002526 | 0404223,0404194,etc |
| neutron star | NS | 170 | 9 | 2.004801 | 0404214,0404058,etc |
| black hole | BH | 512 | 8 | 2.012548 | 0404493,0404308,etc |
| very large array | VLA | 46 | 8 | 2.001215 | 0404172,0404347,etc |
| red giant branch | RGB | 184 | 8 | 2.00682 | 0404158,0404403,etc |
| high energy astrophysics science archive research center | HEASARC | 14 | 8 | 1.000676 | 0404524,0404046,etc |
| two dimensional | 2D | 71 | 7 | 2.000636 | 0404034,0404451,etc |
| lyman break galaxy | LBG | 198 | 7 | 2.007565 | 0404331,0404227,etc |
| intracluster medium | ICM | 85 | 7 | 2.002342 | 0404481,0404556,etc |
| all sky monitor | ASM | 49 | 7 | 1.000264 | 0404287,0404321,etc |
| dark matter | DM | 93 | 7 | 2.004637 | 0404540,0404127,etc |
| low mass x ray binary | LMXB | 62 | 7 | 2.003604 | 0404102,0404303,etc |
| wolf rayet | WR | 201 | 7 | 2.005976 | 0404133,0404267,etc |
| young stellar object | YSO | 77 | 7 | 1.00084 | 0404016,0404517,etc |
| australia telescope compact array | ATCA | 32 | 7 | 1.000526 | 0404448,0404243,etc |
| supermassive black hole | SMBH | 191 | 7 | 2.006322 | 0404377,0404389,etc |
| intergalactic medium | IGM | 70 | 7 | 1.001906 | 0404148,0404502,etc |
| intra cluster medium | ICM | 92 | 6 | 2.003309 | 0404507,0404405,etc |
| full width at half maximum | FWHM | 32 | 6 | 1.000781 | 0404172,0404508,etc |
| polycyclic aromatic hydrocarbon | PAH | 45 | 6 | 1.002219 | 0404209,0404564,etc |
| colour magnitude diagram | CMD | 130 | 6 | 2.002875 | 0404223,0404028,etc |
| far infrared | FIR | 33 | 6 | 2.001717 | 0404223,0404488,etc |
| horizontal branch | HB | 319 | 6 | 1.006983 | 0404009,0404247,etc |
| infrared space observatory | ISO | 147 | 6 | 2.003228 | 0404009,0404040,etc |
| european southern observatory | ESO | 47 | 6 | 1.000916 | 0404236,0404488,etc |
| green bank telescope | GBT | 39 | 6 | 2.00128 | 0404392,0404341,etc |
| magnetohydrodynamic | MHD | 66 | 6 | 2.001079 | 0404377,0404512,etc |
| small magellanic cloud | SMC | 97 | 6 | 2.001968 | 0404362,0404547,etc |
| canada france hawaii telescope | CFHT | 28 | 5 | 1.000658 | 0404034,0404473,etc |
| principal component analysis | PCA | 18 | 5 | 1.000264 | 0404537,0404110,etc |
| european photon imaging camera | EPIC | 57 | 5 | 2.001187 | 0404493,0404044,etc |
| pure luminosity evolution | PLE | 12 | 5 | 1.000608 | 0404044,0404331,etc |
| very long baseline interferometry | VLBI | 58 | 5 | 1.001471 | 0404080,0404295,etc |
| signal to noise | S/N | 24 | 5 | 2.000501 | 0404289,0404517,etc |
| extremely red object | ERO | 182 | 5 | 1.009113 | 0404129,0404416,etc |
| luminous blue variable | LBV | 224 | 5 | 1.006753 | 0404035,0404231,etc |
| rossi x ray timing explorer | RXTE | 34 | 5 | 1.00222 | 0404162,0404102,etc |
| advanced ccd imaging spectrometer | ACIS | 25 | 5 | 2.000775 | 0404287,0404543,etc |
| infrared astronomical satellite | IRAS | 45 | 5 | 2.000963 | 0404009,0404451,etc |
| inverse compton | IC | 87 | 5 | 2.001693 | 0404543,0404119,etc |
| pre main sequence | PMS | 32 | 5 | 1.000316 | 0404028,0404194,etc |
| zero age main sequence | ZAMS | 20 | 5 | 1.000609 | 0404028,0404197,etc |
| pulsar wind nebula | PWN | 103 | 5 | 2.001471 | 0404355,0404159,etc |
| one dimensional | 1D | 24 | 5 | 1.000361 | 0404451,0404153,etc |
| cosmic ray | CR | 119 | 5 | 2.002626 | 0404529,0404534,etc |
| big bang nucleosynthesis | BBN | 10 | 5 | 1.000745 | 0404490,0404390,etc |
| proportional counter array | PCA | 25 | 5 | 2.001256 | 0404321,0404113,etc |
| star formation | SF | 251 | 5 | 2.005929 | 0404372,0404486,etc |
| broad line region | BLR | 96 | 5 | 2.006534 | 0404308,0404110,etc |
| brightest cluster galaxy | BCG | 31 | 5 | 2.002101 | 0404473,0404084,etc |
| anomalous x ray pulsar | AXP | 97 | 5 | 2.003751 | 0404113,0404582,etc |
| soft gamma ray repeater | SGR | 30 | 5 | 2.000837 | 0404582,0404534,etc |
| millisecond pulsar | MSP | 41 | 5 | 1.003038 | 0404105,0404104,etc |
| ultra high energy cosmic ray | UHECR | 146 | 5 | 2.002808 | 0404366,0404411,etc |
| common envelope | CE | 21 | 5 | 1.000934 | 0404058,0404428,etc |
| 2df galaxy redshift survey | 2dFGRS | 77 | 4 | 1.004565 | 0404537,0404085,etc |
| adaptive optics | AO | 33 | 4 | 1.000829 | 0404450,0404472,etc |
| center of mass | CM | 35 | 4 | 2.000831 | 0404288,0404041,etc |
| x ray background | XRB | 68 | 4 | 2.002933 | 0404044,0404048,etc |
| classical t tauri stars | CTTS | 38 | 4 | 1.001041 | 0404496,0404194,etc |
| general relativity | GR | 26 | 4 | 2.000674 | 0404080,0404022,etc |
| isaac newton telescope | INT | 21 | 4 | 1.00112 | 0404129,0404268,etc |
| double neutron star | DNS | 17 | 4 | 1.000853 | 0404423,0404514,etc |
| probability distribution function | PDF | 29 | 4 | 1.000755 | 0404423,0404317,etc |
| kolmogorov smirnov | KS | 28 | 4 | 2.000258 | 0404543,0404505,etc |
| ultraviolet | UV | 14 | 4 | 1.000101 | 0404543,0404486,etc |
| markov chain monte carlo | MCMC | 38 | 4 | 2.001396 | 0404317,0404484,etc |
| 2 micron all sky survey | 2MASS | 79 | 4 | 2.00175 | 0404474,0404300,etc |
| extreme ultraviolet | EUV | 26 | 4 | 2.000343 | 0404469,0404214,etc |
| legacy archive for microwave background data analysis | LAMBDA | 10 | 4 | 1.000436 | 0404567,0404206,etc |
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