| active galactic nucleus | AGN | 3398 | 141 | 2.00567 | 1903.02919,1903.08696,etc |
| interstellar medium | ISM | 1107 | 129 | 1.001944 | 1903.01748,1903.05730,etc |
| spectral energy distribution | SED | 1401 | 119 | 2.00167 | 1903.11085,1903.10141,etc |
| cosmic microwave background | CMB | 1202 | 109 | 1.003269 | 1903.11009,1903.05110,etc |
| signal to noise ratio | SNR | 647 | 100 | 1.001332 | 1903.11085,1903.06505,etc |
| gravitational wave | GW | 1789 | 85 | 1.005094 | 1903.10871,1903.06221,etc |
| star formation rate | SFR | 1565 | 77 | 2.002826 | 1903.05110,1903.11085,etc |
| black hole | BH | 2747 | 72 | 2.00868 | 1903.06629,1903.09124,etc |
| point spread function | PSF | 677 | 70 | 1.002869 | 1903.02919,1903.06505,etc |
| supernova | SN | 4000 | 66 | 1.009846 | 1903.06027,1903.08661,etc |
| initial mass function | IMF | 929 | 65 | 2.005977 | 1903.11085,1903.08813,etc |
| dark matter | DM | 2193 | 63 | 2.007165 | 1903.00540,1903.06716,etc |
| markov chain monte carlo | MCMC | 275 | 63 | 1.000791 | 1903.09153,1903.03836,etc |
| general relativity | GR | 726 | 59 | 2.00351 | 1903.08790,1903.08798,etc |
| european space agency | ESA | 88 | 57 | 1.000223 | 1903.03115,1903.03041,etc |
| field of view | FoV | 349 | 56 | 1.001024 | 1903.06678,1903.04526,etc |
| supermassive black hole | SMBH | 780 | 55 | 1.004386 | 1903.02919,1903.05110,etc |
| intergalactic medium | IGM | 501 | 55 | 2.002188 | 1903.03465,1903.12346,etc |
| data processing and analysis consortium | DPAC | 105 | 52 | 1.000223 | 1903.03115,1903.03041,etc |
| neutron star | NS | 1246 | 50 | 2.00754 | 1903.04526,1903.00083,etc |
| full width at half maximum | FWHM | 368 | 48 | 2.001369 | 1903.11076,1903.09232,etc |
| sloan digital sky survey | SDSS | 400 | 47 | 2.001671 | 1903.11085,1903.06505,etc |
| ultraviolet | UV | 942 | 44 | 2.003608 | 1903.11085,1903.06715,etc |
| equation of state | EoS | 1027 | 44 | 2.005067 | 1903.01295,1903.00320,etc |
| hubble space telescope | HST | 274 | 42 | 2.001421 | 1903.06027,1903.08071,etc |
| near infrared | NIR | 422 | 41 | 2.00162 | 1903.08813,1903.09232,etc |
| european research council | ERC | 62 | 39 | 1.000266 | 1903.09871,1903.09392,etc |
| radial velocity | RV | 921 | 33 | 2.003149 | 1903.04224,1903.04529,etc |
| supernova remnant | SNR | 996 | 32 | 2.004648 | 1903.01748,1903.09545,etc |
| magnetohydrodynamic | MHD | 465 | 32 | 2.001062 | 1903.08200,1903.08757,etc |
| large synoptic survey telescope | LSST | 397 | 32 | 1.004018 | 1903.09324,1903.08753,etc |
| electromagnetic | EM | 287 | 32 | 1.002488 | 1903.11197,1903.08173,etc |
| gamma ray burst | GRB | 855 | 31 | 2.006715 | 1903.03320,1903.06730,etc |
| equivalent width | EQW | 198 | 30 | 1.000779 | 1903.05110,1903.06505,etc |
| globular cluster | GC | 1620 | 29 | 2.01081 | 1903.11070,1903.02316,etc |
| main sequence | MS | 605 | 29 | 2.002376 | 1903.10871,1903.01525,etc |
| infrared | IR | 862 | 29 | 2.004884 | 1903.06715,1903.11076,etc |
| milky way | MW | 456 | 29 | 2.003109 | 1903.03465,1903.08661,etc |
| cold dark matter | CDM | 314 | 28 | 2.003496 | 1903.02919,1903.00540,etc |
| cosmic ray | CR | 1495 | 27 | 2.007918 | 1903.05110,1903.09545,etc |
| asymptotic giant branch | AGB | 534 | 26 | 2.003764 | 1903.12163,1903.00422,etc |
| line of sight | LOS | 188 | 26 | 1.001522 | 1903.01956,1903.03257,etc |
| mikulski archive for space telescopes | MAST | 68 | 26 | 2.000508 | 1903.01762,1903.09152,etc |
| star formation history | SFH | 438 | 25 | 2.003115 | 1903.08813,1903.06715,etc |
| extremely large telescope | ELT | 182 | 25 | 1.002426 | 1903.09173,1903.08187,etc |
| three dimensional | 3-D | 240 | 25 | 1.001872 | 1903.09173,1903.09392,etc |
| atacama large millimeter/submillimeter array | ALMA | 386 | 25 | 2.002544 | 1903.03378,1903.08832,etc |
| broad line region | BLR | 304 | 24 | 2.003797 | 1903.11085,1903.05730,etc |
| probability distribution function | PDF | 93 | 23 | 1.000637 | 1903.06716,1903.08813,etc |
| very large array | VLA | 358 | 23 | 2.00259 | 1903.05638,1903.08586,etc |
| inverse compton | IC | 291 | 22 | 2.002575 | 1903.01748,1903.02274,etc |
| large magellanic cloud | LMC | 373 | 22 | 2.002137 | 1903.06505,1903.06715,etc |
| zero age main sequence | ZAMS | 106 | 22 | 1.000836 | 1903.09392,1903.08002,etc |
| circumgalactic medium | CGM | 584 | 22 | 2.004788 | 1903.09693,1903.04647,etc |
| color magnitude diagram | CMD | 153 | 22 | 1.001202 | 1903.11113,1903.03800,etc |
| very large telescope | VLT | 73 | 21 | 2.000406 | 1903.08696,1903.01762,etc |
| james webb space telescope | JWST | 117 | 21 | 2.001851 | 1903.06027,1903.05638,etc |
| white dwarf | WD | 459 | 21 | 1.003474 | 1903.00490,1903.09232,etc |
| tidal disruption event | TDE | 486 | 21 | 1.004535 | 1903.09124,1903.08607,etc |
| fast radio burst | FRB | 649 | 21 | 1.009929 | 1903.04647,1903.05573,etc |
| standard model | SM | 399 | 21 | 2.003409 | 1903.04763,1903.07923,etc |
| large scale structure | LSS | 101 | 20 | 1.000952 | 1903.11009,1903.04409,etc |
| signal to noise | S/N | 141 | 20 | 1.000768 | 1903.04224,1903.06181,etc |
| dark energy survey | DES | 469 | 20 | 2.003549 | 1903.08813,1903.02557,etc |
| intracluster medium | ICM | 332 | 20 | 1.003293 | 1903.04647,1903.08662,etc |
| nasa/ipac extragalactic database | NED | 30 | 20 | 1.00017 | 1903.06243,1903.11084,etc |
| very long baseline interferometry | VLBI | 221 | 19 | 2.002251 | 1903.11103,1903.09301,etc |
| polycyclic aromatic hydrocarbon | PAH | 223 | 18 | 1.003432 | 1903.05110,1903.06715,etc |
| science and technology facilities council | STFC | 33 | 18 | 1.000091 | 1903.06716,1903.08174,etc |
| large area telescope | LAT | 270 | 18 | 2.002165 | 1903.01748,1903.04526,etc |
| local thermodynamic equilibrium | LTE | 380 | 18 | 2.006007 | 1903.05730,1903.03244,etc |
| quasi periodic oscillation | QPO | 333 | 18 | 2.005227 | 1903.06777,1903.02856,etc |
| innermost stable circular orbit | ISCO | 128 | 18 | 1.001428 | 1903.06611,1903.09301,etc |
| far infrared | FIR | 203 | 17 | 2.002118 | 1903.06715,1903.09153,etc |
| principal component analysis | PCA | 120 | 17 | 1.001052 | 1903.11050,1903.09152,etc |
| root mean square | RMS | 147 | 17 | 1.001885 | 1903.08174,1903.07611,etc |
| super massive black hole | SMBH | 121 | 16 | 1.001245 | 1903.11085,1903.11076,etc |
| kolmogorov smirnov | K-S | 68 | 16 | 1.000463 | 1903.11085,1903.04937,etc |
| red supergiant | RSG | 515 | 16 | 1.004616 | 1903.06181,1903.00422,etc |
| coronal mass ejection | CME | 557 | 16 | 1.006224 | 1903.08200,1903.10772,etc |
| integral field unit | IFU | 72 | 16 | 2.001522 | 1903.06678,1903.11076,etc |
| dispersion measure | DM | 638 | 16 | 1.007291 | 1903.00426,1903.02249,etc |
| monte carlo | MC | 107 | 16 | 2.000777 | 1903.11099,1903.02666,etc |
| advanced camera for surveys | ACS | 138 | 16 | 1.001113 | 1903.00532,1903.07573,etc |
| weakly interacting massive particle | WIMP | 265 | 16 | 2.003532 | 1903.03026,1903.10098,etc |
| laser interferometer space antenna | LISA | 302 | 15 | 2.003209 | 1903.10871,1903.05682,etc |
| extreme ultraviolet | EUV | 381 | 15 | 1.005171 | 1903.10473,1903.04538,etc |
| adaptive optics | AO | 236 | 15 | 2.003538 | 1903.09324,1903.05468,etc |
| brightest cluster galaxy | BCG | 222 | 15 | 1.001843 | 1903.00532,1903.05103,etc |
| radio frequency interference | RFI | 91 | 15 | 1.001577 | 1903.04434,1903.02249,etc |
| power spectral density | PSD | 117 | 15 | 1.001135 | 1903.02049,1903.02747,etc |
| full width half maximum | FWHM | 66 | 14 | 1.000306 | 1903.11085,1903.02084,etc |
| bayesian information criterion | BIC | 44 | 14 | 1.0003 | 1903.04540,1903.05103,etc |
| association of universities for research in astronomy | AURA | 16 | 14 | 1.000049 | 1903.09232,1903.03872,etc |
| smoothed particle hydrodynamics | SPH | 90 | 14 | 2.000833 | 1903.02525,1903.07958,etc |
| wide field camera 3 | WFC3 | 118 | 14 | 1.003831 | 1903.00532,1903.07573,etc |
| region of interest | ROI | 99 | 14 | 1.001137 | 1903.03026,1903.03389,etc |
| pulsar wind nebula | PWN | 356 | 14 | 2.003852 | 1903.05509,1903.03389,etc |
| intra cluster medium | ICM | 92 | 13 | 1.000998 | 1903.02919,1903.08813,etc |
| small magellanic cloud | SMC | 345 | 13 | 2.001585 | 1903.11070,1903.06181,etc |
|