| cosmic microwave background | CMB | 641 | 32 | 2.004121 | 0203294,0203014,etc |
| active galactic nucleus | AGN | 480 | 25 | 2.003122 | 0203421,0203385,etc |
| spectral energy distribution | SED | 143 | 23 | 1.001266 | 0203016,0203518,etc |
| cold dark matter | CDM | 247 | 22 | 2.003602 | 0203125,0203012,etc |
| point spread function | PSF | 134 | 22 | 1.000834 | 0203463,0203041,etc |
| initial mass function | IMF | 384 | 21 | 2.003215 | 0203077,0203132,etc |
| interstellar medium | ISM | 173 | 19 | 1.001117 | 0203075,0203510,etc |
| supernova | SN | 696 | 17 | 2.008737 | 0203391,0203399,etc |
| gamma ray burst | GRB | 888 | 17 | 2.009676 | 0203349,0203440,etc |
| star formation rate | SFR | 232 | 16 | 1.003337 | 0203077,0203321,etc |
| cataclysmic variable | CV | 85 | 13 | 1.001489 | 0203025,0203248,etc |
| main sequence | MS | 239 | 12 | 2.002555 | 0203387,0203340,etc |
| nasa/ipac extragalactic database | NED | 18 | 12 | 1.000093 | 0203291,0203243,etc |
| color magnitude diagram | CMD | 165 | 12 | 1.001186 | 0203356,0203062,etc |
| black hole | BH | 442 | 12 | 1.007332 | 0203176,0203308,etc |
| near infrared | near-IR | 158 | 11 | 1.003611 | 0203016,0203144,etc |
| neutron star | NS | 159 | 10 | 2.004435 | 0203111,0203422,etc |
| asymptotic giant branch | AGB | 196 | 10 | 2.003164 | 0203328,0203180,etc |
| signal to noise ratio | SNR | 110 | 10 | 2.003047 | 0203430,0203461,etc |
| hubble space telescope | HST | 58 | 9 | 2.001061 | 0203012,0203131,etc |
| equivalent width | EW | 162 | 9 | 2.001972 | 0203286,0203456,etc |
| sloan digital sky survey | SDSS | 308 | 9 | 1.002535 | 0203163,0203355,etc |
| supernova remnant | SNR | 52 | 9 | 1.001798 | 0203176,0203073,etc |
| large magellanic cloud | LMC | 292 | 9 | 2.004124 | 0203233,0203292,etc |
| red giant branch | RGB | 277 | 9 | 2.002585 | 0203300,0203063,etc |
| dark matter | DM | 80 | 8 | 2.001984 | 0203012,0203381,etc |
| planetary nebula | PN | 146 | 8 | 2.003303 | 0203243,0203340,etc |
| inner lindblad resonance | ILR | 86 | 8 | 2.001378 | 0203170,0203471,etc |
| big bang nucleosynthesis | BBN | 187 | 8 | 1.005628 | 0203430,0203442,etc |
| advection dominated accretion flow | ADAF | 79 | 7 | 1.0034 | 0203421,0203019,etc |
| white dwarf | WD | 139 | 7 | 2.004677 | 0203387,0203077,etc |
| luminosity function | LF | 191 | 7 | 1.003033 | 0203077,0203168,etc |
| intracluster medium | ICM | 93 | 7 | 2.003293 | 0203474,0203046,etc |
| singular isothermal sphere | SIS | 42 | 6 | 2.000789 | 0203012,0203116,etc |
| zero age main sequence | ZAMS | 16 | 6 | 1.000286 | 0203341,0203062,etc |
| low surface brightness | LSB | 75 | 6 | 2.001738 | 0203291,0203255,etc |
| kolmogorov smirnov | K-S | 20 | 6 | 2.000186 | 0203243,0203456,etc |
| very large array | VLA | 65 | 6 | 2.001328 | 0203144,0203508,etc |
| pre main sequence | PMS | 133 | 6 | 1.001188 | 0203102,0203384,etc |
| star formation history | SFH | 117 | 6 | 2.003484 | 0203292,0203300,etc |
| nordic optical telescope | NOT | 13 | 6 | 1.000297 | 0203245,0203199,etc |
| intergalactic medium | IGM | 96 | 6 | 1.002019 | 0203524,0203418,etc |
| anglo australian telescope | AAT | 17 | 6 | 1.000426 | 0203334,0203406,etc |
| low mass x ray binary | LMXB | 37 | 5 | 1.001618 | 0203387,0203233,etc |
| young stellar object | YSO | 37 | 5 | 1.001249 | 0203420,0203144,etc |
| colour magnitude diagram | CMD | 140 | 5 | 2.001452 | 0203077,0203292,etc |
| equation of state | EoS | 43 | 5 | 1.000478 | 0203403,0203101,etc |
| infrared space observatory | ISO | 191 | 5 | 2.004783 | 0203216,0203518,etc |
| wide field planetary camera 2 | WFPC2 | 52 | 5 | 1.002373 | 0203131,0203391,etc |
| field of view | FOV | 17 | 5 | 1.000782 | 0203144,0203348,etc |
| ultraviolet | UV | 156 | 5 | 2.001824 | 0203168,0203063,etc |
| horizontal branch | HB | 202 | 5 | 2.008996 | 0203300,0203063,etc |
| lyman break galaxy | LBG | 73 | 5 | 1.003035 | 0203524,0203280,etc |
| sunyaev zel'dovich | SZ | 142 | 5 | 2.004897 | 0203486,0203485,etc |
| local thermodynamic equilibrium | LTE | 94 | 5 | 1.005027 | 0203252,0203234,etc |
| charge transfer inefficiency | CTI | 20 | 5 | 1.000903 | 0203174,0203235,etc |
| anomalous x ray pulsar | AXP | 18 | 4 | 1.000537 | 0203111,0203271,etc |
| magnetohydrodynamic | MHD | 61 | 4 | 2.004297 | 0203420,0203309,etc |
| cosmic microwave background radiation | CMB | 46 | 4 | 1.002277 | 0203125,0203086,etc |
| far infrared | far-IR | 93 | 4 | 1.003094 | 0203216,0203008,etc |
| signal to noise | S/N | 60 | 4 | 2.001247 | 0203286,0203461,etc |
| outer lindblad resonance | OLR | 12 | 4 | 1.000676 | 0203510,0203368,etc |
| full width at half maximum | FWHM | 52 | 4 | 2.001234 | 0203523,0203456,etc |
| space telescope imaging spectrograph | STIS | 11 | 4 | 1.001122 | 0203437,0203063,etc |
| gamma ray bursts | GRB | 103 | 4 | 2.004412 | 0203391,0203337,etc |
| integrated sachs wolfe | ISW | 25 | 4 | 1.000991 | 0203413,0203430,etc |
| ultra luminous x ray source | ULX | 115 | 4 | 1.002843 | 0203176,0203175,etc |
| line of sight | LOS | 31 | 4 | 2.000441 | 0203422,0203428,etc |
| james clerk maxwell telescope | JCMT | 10 | 4 | 1.000395 | 0203144,0203264,etc |
| fundamental plane | FP | 43 | 4 | 2.000749 | 0203471,0203022,etc |
| globular cluster | GC | 62 | 4 | 2.002372 | 0203471,0203393,etc |
| large scale structure | LSS | 23 | 4 | 2.001468 | 0203430,0203306,etc |
| supermassive black hole | SMBH | 142 | 4 | 2.002664 | 0203158,0203469,etc |
| position angle | PA | 37 | 4 | 1.002324 | 0203338,0203346,etc |
| reflection grating spectrometer | RGS | 21 | 4 | 1.003292 | 0203312,0203396,etc |
| high mass x ray binary | HMXB | 23 | 4 | 2.001552 | 0203233,0203392,etc |
| maximum entropy method | MEM | 20 | 4 | 1.001772 | 0203395,0203486,etc |
| small magellanic cloud | SMC | 42 | 4 | 1.000538 | 0203292,0203252,etc |
| westerbork synthesis radio telescope | WSRT | 36 | 4 | 1.001584 | 0203415,0203204,etc |
| general relativity | GR | 47 | 4 | 1.003202 | 0203349,0203185,etc |
| dwarf spheroidal | dSph | 86 | 4 | 2.001499 | 0203300,0203004,etc |
| isaac newton telescope | INT | 10 | 4 | 1.000253 | 0203300,0203519,etc |
| instituto de astrofisica de andalucia | IAA | 8 | 4 | 1.000198 | 0203245,0203199,etc |
| broad absorption line | BAL | 400 | 4 | 2.00507 | 0203252,0203374,etc |
| new technology telescope | NTT | 71 | 4 | 1.001553 | 0203334,0203122,etc |
| milky way galaxy | MWG | 54 | 4 | 2.00216 | 0203381,0203032,etc |
| local standard of rest | LSR | 34 | 4 | 2.001416 | 0203381,0203380,etc |
| broad emission line region | BLR | 14 | 4 | 1.000662 | 0203239,0203359,etc |
| broad line region | BLR | 16 | 4 | 2.000628 | 0203379,0203473,etc |
| soft gamma ray repeater | SGR | 83 | 3 | 1.017033 | 0203111,0203054,etc |
| weakly interacting massive particle | WIMP | 106 | 3 | 2.001388 | 0203075,0203242,etc |
| milky way | MW | 21 | 3 | 2.001726 | 0203012,0203340,etc |
| luminous infrared galaxy | LIG | 116 | 3 | 2.001665 | 0203092,0203494,etc |
| double degenerate | DD | 46 | 3 | 2.00251 | 0203147,0203340,etc |
| optical transient | OT | 24 | 3 | 1.000797 | 0203391,0203245,etc |
| x ray luminosity function | XLF | 119 | 3 | 1.005457 | 0203176,0203407,etc |
| x ray binary | XRB | 19 | 3 | 1.000411 | 0203176,0203175,etc |
| digitized sky survey | DSS | 8 | 3 | 1.000447 | 0203162,0203487,etc |
| dwarf nova | DN | 44 | 3 | 2.003147 | 0203248,0203247,etc |
| chandra x ray center | CXC | 9 | 3 | 1.000262 | 0203463,0203174,etc |
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