{
  "article": [
    "https://en.wikipedia.org/wiki/Pigeonhole_principle",
    "https://en.wikipedia.org/wiki/Canis_Major",
    "https://en.wikipedia.org/wiki/Dyson_sphere",
    "https://en.wikipedia.org/wiki/Uncertainty_principle",
    "https://en.wikipedia.org/wiki/Quantum_gravity",
    "https://en.wikipedia.org/wiki/Black_hole_information_paradox",
    "https://en.wikipedia.org/wiki/Hawking_radiation",
    "https://en.wikipedia.org/wiki/Hypersurface",
    "https://en.wikipedia.org/wiki/Holographic_principle",
    "https://en.wikipedia.org/wiki/String_theory",
    "https://en.wikipedia.org/wiki/Inflation_(cosmology)",
    "https://en.wikipedia.org/wiki/Vacuum_energy",
    "https://en.wikipedia.org/wiki/Quantum_electrodynamics",
    "https://en.wikipedia.org/wiki/Theory_of_relativity",
    "https://en.wikipedia.org/wiki/Cosmic_censorship_hypothesis",
    "https://en.wikipedia.org/wiki/Yang–Mills_theory",
    "https://en.wikipedia.org/wiki/Problem_of_time",
    "https://en.wikipedia.org/wiki/Horizon_problem",
    "https://en.wikipedia.org/wiki/Big_Bang",
    "https://en.wikipedia.org/wiki/Metric_expansion_of_space",
    "https://en.wikipedia.org/wiki/Dark_matter",
    "https://en.wikipedia.org/wiki/Baryon_asymmetry",
    "https://en.wikipedia.org/wiki/Dark_flow",
    "https://en.wikipedia.org/wiki/Dark_energy",
    "https://en.wikipedia.org/wiki/Ecliptic_alignment_of_CMB_anisotropy",
    "https://en.wikipedia.org/wiki/Shape_of_the_universe",
    "https://en.wikipedia.org/wiki/Cosmological_constant_problem",
    "https://en.wikipedia.org/wiki/Higgs_mechanism",
    "https://en.wikipedia.org/wiki/Hierarchy_problem",
    "https://en.wikipedia.org/wiki/Planck_particle",
    "https://en.wikipedia.org/wiki/Magnetic_monopole",
    "https://en.wikipedia.org/wiki/Proton_decay",
    "https://en.wikipedia.org/wiki/Solar_cycle",
    "https://en.wikipedia.org/wiki/Astrophysical_jet",
    "https://en.wikipedia.org/wiki/Corona",
    "https://en.wikipedia.org/wiki/Diffuse_interstellar_bands",
    "https://en.wikipedia.org/wiki/Supermassive_black_hole",
    "https://en.wikipedia.org/wiki/Kuiper_belt",
    "https://en.wikipedia.org/wiki/Flyby_anomaly",
    "https://en.wikipedia.org/wiki/Galaxy_rotation_curve",
    "https://en.wikipedia.org/wiki/Supernova",
    "https://en.wikipedia.org/wiki/ARCADE",
    "https://en.wikipedia.org/wiki/Atomic_nucleus",
    "https://en.wikipedia.org/wiki/Plasma_(physics)",
    "https://en.wikipedia.org/wiki/Quantum_dot",
    "https://en.wikipedia.org/wiki/Homochirality",
    "https://en.wikipedia.org/wiki/Abraham-Minkowski_controversy"
  ],
  "chemical_element": [
    "Actinium|Ac|89",
    "Aluminum|Al|13",
    "Americium|Am|95",
    "Antimony|Sb|51",
    "Argon|Ar|18",
    "Arsenic|As|33",
    "Astatine|At|85",
    "Barium|Ba|56",
    "Berkelium|Bk|97",
    "Beryllium|Be|4",
    "Bismuth|Bi|83",
    "Bohrium|Bh|107",
    "Boron|B|5",
    "Bromine|Br|35",
    "Cadmium|Cd|48",
    "Calcium|Ca|20",
    "Californium|Cf|98",
    "Carbon|C|6",
    "Cerium|Ce|58",
    "Cesium|Cs|55",
    "Chlorine|Cl|17",
    "Chromium|Cr|24",
    "Cobalt|Co|27",
    "Copper|Cu|29",
    "Curium|Cm|96",
    "Darmstadtium|Ds|110",
    "Dubnium|Db|105",
    "Dysprosium|Dy|66",
    "Einsteinium|Es|99",
    "Erbium|Er|68",
    "Europium|Eu|63",
    "Fermium|Fm|100",
    "Fluorine|F|9",
    "Francium|Fr|87",
    "Gadolinium|Gd|64",
    "Gallium|Ga|31",
    "Germanium|Ge|32",
    "Gold|Au|79",
    "Hafnium|Hf|72",
    "Hassium|Hs|108",
    "Helium|He|2",
    "Holmium|Ho|67",
    "Hydrogen|H|1",
    "Indium|In|49",
    "Iodine|I|53",
    "Iridium|Ir|77",
    "Iron|Fe|26",
    "Krypton|Kr|36",
    "Lanthanum|La|57",
    "Lawrencium|Lr|103",
    "Lead|Pb|82",
    "Lithium|Li|3",
    "Lutetium|Lu|71",
    "Magnesium|Mg|12",
    "Manganese|Mn|25",
    "Meitnerium|Mt|109",
    "Mendelevium|Md|101",
    "Mercury|Hg|80",
    "Molybdenum|Mo|42",
    "Neodymium|Nd|60",
    "Neon|Ne|10",
    "Neptunium|Np|93",
    "Nickel|Ni|28",
    "Niobium|Nb|41",
    "Nitrogen|N|7",
    "Nobelium|No|102",
    "Osmium|Os|76",
    "Oxygen|O|8",
    "Palladium|Pd|46",
    "Phosphorus|P|15",
    "Platinum|Pt|78",
    "Plutonium|Pu|94",
    "Polonium|Po|84",
    "Potassium|K|19",
    "Praseodymium|Pr|59",
    "Promethium|Pm|61",
    "Protactinium|Pa|91",
    "Radium|Ra|88",
    "Radon|Rn|86",
    "Rhenium|Re|75",
    "Rhodium|Rh|45",
    "Roentgenium|Rg|111",
    "Rubidium|Rb|37",
    "Ruthenium|Ru|44",
    "Rutherfordium|Rf|104",
    "Samarium|Sm|62",
    "Scandium|Sc|21",
    "Seaborgium|Sg|106",
    "Selenium|Se|34",
    "Silicon|Si|14",
    "Silver|Ag|47",
    "Sodium|Na|11",
    "Strontium|Sr|38",
    "Sulfur|S|16",
    "Tantalum|Ta|73",
    "Technetium|Tc|43",
    "Tellurium|Te|52",
    "Terbium|Tb|65",
    "Thallium|Tl|81",
    "Thorium|Th|90",
    "Thulium|Tm|69",
    "Tin|Sn|50",
    "Titanium|Ti|22",
    "Tungsten|W|74",
    "Ununbium|Uub|112",
    "Ununhexium|Uuh|116",
    "Ununoctium|Uuo|118",
    "Ununpentium|Uup|115",
    "Ununquadium|Uuq|114",
    "Ununseptium|Uus|117",
    "Ununtrium|Uut|113",
    "Ununium|Uuu|111",
    "Uranium|U|92",
    "Vanadium|V|23",
    "Xenon|Xe|54",
    "Ytterbium|Yb|70",
    "Yttrium|Y|39",
    "Zinc|Zn|30",
    "Zirconium|Zr|40"
  ]
}