| cosmic microwave background | CMB | 615 | 51 | 2.003334 | 0804.2904,0804.1564,etc |
| spectral energy distribution | SED | 408 | 48 | 2.001166 | 0804.3316,0804.1564,etc |
| active galactic nucleus | AGN | 1211 | 47 | 2.005201 | 0804.0619,0804.1955,etc |
| interstellar medium | ISM | 369 | 44 | 1.002229 | 0804.2271,0804.0220,etc |
| sloan digital sky survey | SDSS | 666 | 43 | 1.003435 | 0804.1955,0804.1821,etc |
| point spread function | PSF | 622 | 37 | 1.002968 | 0804.2666,0804.1199,etc |
| gamma ray burst | GRB | 1861 | 26 | 2.00906 | 0804.2666,0804.2457,etc |
| initial mass function | IMF | 230 | 26 | 2.00088 | 0804.4143,0804.1821,etc |
| cold dark matter | CDM | 152 | 25 | 2.000794 | 0804.4484,0804.1604,etc |
| asymptotic giant branch | AGB | 320 | 22 | 1.003067 | 0804.0952,0804.2436,etc |
| signal to noise ratio | S/N | 118 | 22 | 1.000749 | 0804.4124,0804.4653,etc |
| star formation rate | SFR | 404 | 21 | 2.00427 | 0804.3866,0804.1821,etc |
| dark matter | DM | 493 | 20 | 2.004851 | 0804.2045,0804.0336,etc |
| supernova | SN | 1320 | 19 | 1.00905 | 0804.0042,0804.1123,etc |
| supernova remnant | SNR | 419 | 18 | 2.004736 | 0804.0052,0804.3384,etc |
| nasa/ipac extragalactic database | NED | 26 | 16 | 1.000161 | 0804.1906,0804.1875,etc |
| max planck institute for astronomy | MPIA | 16 | 16 | 1.000096 | 0804.3850,0804.3325,etc |
| max planck institute for astrophysics | MPA | 16 | 16 | 1.000096 | 0804.3850,0804.3325,etc |
| white dwarf | WD | 350 | 15 | 1.006295 | 0804.3316,0804.4535,etc |
| field of view | FOV | 68 | 14 | 1.000403 | 0804.1955,0804.3483,etc |
| advanced camera for surveys | ACS | 200 | 14 | 2.0014 | 0804.1955,0804.1363,etc |
| intergalactic medium | IGM | 216 | 14 | 1.002373 | 0804.0278,0804.0351,etc |
| luminosity function | LF | 164 | 14 | 1.002762 | 0804.1774,0804.4008,etc |
| equivalent width | EW | 98 | 13 | 2.00086 | 0804.2666,0804.1939,etc |
| planetary nebula | PN | 389 | 13 | 2.005868 | 0804.1199,0804.2436,etc |
| hubble space telescope | HST | 79 | 13 | 1.000696 | 0804.4653,0804.0235,etc |
| full width at half maximum | FWHM | 62 | 12 | 2.000684 | 0804.2666,0804.2479,etc |
| very large array | VLA | 114 | 12 | 1.001176 | 0804.1906,0804.2375,etc |
| globular cluster | GC | 1099 | 12 | 2.009843 | 0804.4061,0804.4535,etc |
| big bang nucleosynthesis | BBN | 124 | 12 | 1.002448 | 0804.1827,0804.4542,etc |
| small magellanic cloud | SMC | 119 | 11 | 1.003013 | 0804.4607,0804.4061,etc |
| black hole | BH | 466 | 11 | 2.005254 | 0804.1875,0804.2855,etc |
| magnetohydrodynamic | MHD | 368 | 11 | 2.004467 | 0804.1353,0804.2855,etc |
| equation of state | EoS | 189 | 11 | 2.003967 | 0804.2925,0804.2328,etc |
| wilkinson microwave anisotropy probe | WMAP | 98 | 10 | 1.001354 | 0804.2904,0804.0278,etc |
| ultraviolet | UV | 245 | 10 | 2.003678 | 0804.2883,0804.1625,etc |
| standard model | SM | 199 | 10 | 2.002268 | 0804.0182,0804.0336,etc |
| near infrared | near-IR | 154 | 10 | 2.002282 | 0804.4520,0804.1518,etc |
| signal to noise | S/N | 37 | 10 | 1.000314 | 0804.1123,0804.2457,etc |
| red giant branch | RGB | 105 | 10 | 2.00123 | 0804.2976,0804.0507,etc |
| main sequence | MS | 439 | 10 | 2.004989 | 0804.2976,0804.4535,etc |
| color magnitude diagram | CMD | 197 | 10 | 2.001995 | 0804.3574,0804.3376,etc |
| local standard of rest | LSR | 27 | 9 | 1.00052 | 0804.1812,0804.2954,etc |
| large magellanic cloud | LMC | 199 | 8 | 1.00346 | 0804.4607,0804.4061,etc |
| intracluster medium | ICM | 118 | 8 | 2.001462 | 0804.1955,0804.1906,etc |
| infrared | IR | 127 | 8 | 2.002988 | 0804.1199,0804.0236,etc |
| markov chain monte carlo | MCMC | 66 | 8 | 1.000795 | 0804.2479,0804.4475,etc |
| australia telescope compact array | ATCA | 36 | 8 | 2.000774 | 0804.3866,0804.4539,etc |
| radial velocity | RV | 131 | 8 | 1.004098 | 0804.3137,0804.1253,etc |
| general relativity | GR | 51 | 8 | 1.000906 | 0804.2668,0804.3276,etc |
| brightest cluster galaxy | BCG | 253 | 8 | 1.007332 | 0804.2668,0804.1756,etc |
| supernova legacy survey | SNLS | 72 | 8 | 1.00375 | 0804.1123,0804.2971,etc |
| young stellar object | YSO | 58 | 8 | 2.001358 | 0804.0543,0804.3405,etc |
| kolmogorov smirnov | K-S | 22 | 8 | 1.000186 | 0804.0788,0804.4690,etc |
| fast fourier transform | FFT | 54 | 7 | 2.001748 | 0804.1629,0804.3397,etc |
| infrared spectrograph | IRS | 87 | 7 | 2.000762 | 0804.1199,0804.3483,etc |
| cataclysmic variable | CV | 143 | 7 | 2.003603 | 0804.2436,0804.1223,etc |
| astronomical image processing system | AIPS | 13 | 7 | 1.000204 | 0804.1906,0804.0005,etc |
| two micron all sky survey | 2MASS | 49 | 7 | 1.000777 | 0804.4520,0804.0019,etc |
| wolf rayet | WR | 257 | 7 | 2.010203 | 0804.0042,0804.1821,etc |
| broad line region | BLR | 106 | 7 | 1.00127 | 0804.1875,0804.0218,etc |
| lyman break galaxy | LBG | 95 | 7 | 2.001705 | 0804.2457,0804.1624,etc |
| colour magnitude diagram | CMD | 137 | 7 | 2.002504 | 0804.2976,0804.1518,etc |
| neutron star | NS | 249 | 7 | 2.002604 | 0804.2837,0804.4394,etc |
| supermassive black hole | SMBH | 172 | 7 | 2.005675 | 0804.2672,0804.0094,etc |
| anomalous x ray pulsar | AXP | 194 | 7 | 2.002484 | 0804.0832,0804.2889,etc |
| weakly interacting massive particle | WIMP | 225 | 7 | 2.006194 | 0804.3792,0804.2886,etc |
| metallicity distribution function | MDF | 75 | 7 | 2.001063 | 0804.1993,0804.1370,etc |
| polycyclic aromatic hydrocarbon | PAH | 171 | 6 | 2.005171 | 0804.1199,0804.1774,etc |
| canada france hawaii telescope | CFHT | 21 | 6 | 1.000213 | 0804.1604,0804.4652,etc |
| rotation measure | RM | 57 | 6 | 2.002054 | 0804.2853,0804.1353,etc |
| far infrared | FIR | 38 | 6 | 1.00104 | 0804.2853,0804.0828,etc |
| national science foundation | NSF | 11 | 6 | 1.000313 | 0804.0042,0804.3712,etc |
| cosmic ray | CR | 217 | 6 | 2.004579 | 0804.0220,0804.1004,etc |
| x ray telescope | XRT | 60 | 6 | 2.001671 | 0804.2241,0804.3508,etc |
| solar optical telescope | SOT | 57 | 6 | 1.003261 | 0804.1167,0804.3248,etc |
| position angle | PA | 24 | 6 | 1.000247 | 0804.2668,0804.4623,etc |
| space telescope imaging spectrograph | STIS | 42 | 6 | 1.000792 | 0804.2668,0804.0240,etc |
| luminous red galaxy | LRG | 139 | 6 | 2.002205 | 0804.3325,0804.3413,etc |
| astrophysical research consortium | ARC | 6 | 6 | 1.000073 | 0804.3325,0804.4001,etc |
| inverse compton | IC | 107 | 6 | 2.00235 | 0804.1378,0804.3420,etc |
| wide field channel | WFC | 25 | 6 | 1.000602 | 0804.0005,0804.3819,etc |
| star formation | SF | 194 | 6 | 2.004586 | 0804.0132,0804.3766,etc |
| full width half maximum | FWHM | 47 | 6 | 1.001367 | 0804.0828,0804.0445,etc |
| very long baseline interferometry | VLBI | 34 | 6 | 1.00435 | 0804.4136,0804.1004,etc |
| friends of friends | FOF | 11 | 6 | 1.000408 | 0804.4172,0804.1842,etc |
| low mass x ray binary | LMXB | 29 | 5 | 2.000553 | 0804.2666,0804.0370,etc |
| photodissociation region | PDR | 77 | 5 | 2.002755 | 0804.2883,0804.1625,etc |
| roche lobe overflow | RLOF | 135 | 5 | 2.002245 | 0804.4143,0804.4535,etc |
| cerro tololo inter american observatory | CTIO | 27 | 5 | 2.000648 | 0804.1604,0804.3866,etc |
| anglo australian telescope | AAT | 23 | 5 | 1.000622 | 0804.3866,0804.0291,etc |
| circumburst medium | CBM | 83 | 5 | 1.002989 | 0804.2821,0804.2837,etc |
| pre main sequence | PMS | 161 | 5 | 2.003133 | 0804.4520,0804.1518,etc |
| luminous blue variable | LBV | 71 | 5 | 1.003941 | 0804.0042,0804.3597,etc |
| extreme horizontal branch | EHB | 123 | 5 | 1.011379 | 0804.4355,0804.4535,etc |
| two dimensional | 2D | 17 | 5 | 1.000343 | 0804.1987,0804.4429,etc |
| modified newtonian dynamics | MOND | 239 | 5 | 2.001227 | 0804.2668,0804.3812,etc |
| large hadron collider | LHC | 25 | 5 | 2.000609 | 0804.0336,0804.0832,etc |
| horizontal branch | HB | 222 | 5 | 2.007174 | 0804.2976,0804.3376,etc |
| far ultraviolet | FUV | 117 | 5 | 1.001665 | 0804.4537,0804.3381,etc |
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