{"https://codexery.com/cities/e/coastal/los-angeles/": {"t": "Los Angeles", "s": "The City of Angels, a global hub of culture and commerce."}, "https://codexery.com/religious-traditions/e/religious-traditions/unitarianism/": {"t": "Unitarianism", "s": "Nontrinitarian Christian movement affirming the unitary nature of God."}, "https://codexery.com/sports-and-games/e/sports-and-games/bowling/": {"t": "Bowling", "s": "A target sport played by millions worldwide since ancient times."}, "https://codexery.com/major-wars/e/major-wars/second-world-war/": {"t": "Second World War", "s": "Global conflict between Allies and Axis, deadliest in history."}, "https://codexery.com/u-s-states/e/u-s-states/illinois/": {"t": "Illinois", "s": "Land of Lincoln", "i": "https://codexery.com/u-s-states/img/u-s-states/illinois.webp", "c": "TylerKutschbach · CC BY-SA 4.0"}, "https://codexery.com/education-schools/e/education-and-schools/postgraduate-education/": {"t": "Postgraduate education", "s": "Postgraduate education comprises advanced degrees beyond the bachelor's level."}, "https://codexery.com/corporations/e/corporations/qualcomm/": {"t": "Qualcomm", "s": "American multinational developer of wireless communications and semiconductor technologies."}, "https://codexery.com/sports-and-games/e/sports-and-games/baseball/": {"t": "Baseball", "s": "A bat-and-ball sport with nine players per team."}, "https://codexery.com/sports-and-recreation/e/sports-and-recreation/fan-person/": {"t": "Fan (person)", "s": "A person with strong interest or admiration for a subject."}, "https://codexery.com/diseases-and-conditions/e/diseases-and-conditions/myocardial-infarction/": {"t": "Myocardial infarction", "s": "A heart attack occurs when blood flow to the heart is blocked.", "i": "https://codexery.com/diseases-and-conditions/img/diseases-and-conditions/myocardial-infarction.webp", "c": "Authors of the study: Stefan Gustafsson, Erik Lampa, Karin Jensevik Eriksson, Ad · CC BY 4.0"}, "https://codexery.com/cultural-and-historical-regions/e/cultural-and-historical-regions/galicia-spain/": {"t": "Galicia (Spain)", "s": "Northwest Spanish region with Celtic roots and self-government."}, "https://codexery.com/stars-and-stellar-phenomena/e/stars-and-stellar-phenomena/double-star/": {"t": "Double star", "s": "A double star is a pair of stars that appear close together as viewed from Earth, either as a gravitationally bound binary or a chance optical alignment."}, "https://codexery.com/optical-telescopes/e/optical-telescopes/monocular/": {"t": "Monocular", "s": "A compact refracting telescope using prisms for an erect image."}, "https://codexery.com/geometry-and-topology/e/geometry-and-topology/analytic-geometry/": {"t": "Analytic geometry", "s": "Study of geometry using a coordinate system."}, "https://codexery.com/observatories-of-europe/e/observatories-of-europe/paris-observatory/": {"t": "Paris Observatory", "s": "World's oldest active observatory, cornerstone of French astronomy."}, "https://codexery.com/astrophotography/e/astrophotography/astrograph/": {"t": "Astrograph", "s": "A telescope designed exclusively for astrophotography and sky surveys."}, "https://codexery.com/astronomical-concepts-and-techniques/e/astronomical-concepts-and-techniques/sidereal-time/": {"t": "Sidereal time", "s": "Timekeeping system based on Earth's rotation relative to the fixed stars."}, "https://codexery.com/cities/e/capitals/berlin/": {"t": "Berlin", "s": "The heart of Europe, a city of culture and history."}, "https://codexery.com/planets-and-dwarf-planets/e/planets-and-dwarf-planets/neptune/": {"t": "Neptune", "s": "The only planet discovered through mathematical prediction, not direct observation."}, "https://codexery.com/universities-and-colleges/e/universities-and-colleges/humboldt-university-of-berlin/": {"t": "Humboldt University of Berlin", "s": "Public research university pioneering the Humboldtian model of higher education."}, "https://codexery.com/astronomers-and-cosmologists/e/astronomers-and-cosmologists/johann-gottfried-galle/": {"t": "Johann Gottfried Galle", "s": "German astronomer who first identified Neptune"}, "https://codexery.com/named-comets/e/named-comets/6p-d-arrest/": {"t": "6P/d'Arrest", "s": "Periodic comet discovered by Heinrich Ludwig d'Arrest in 1851."}, "https://codexery.com/stars-and-stellar-objects/e/stars-and-stellar-objects/asteroid/": {"t": "Asteroid", "s": "Rocky, metallic, or icy minor planets orbiting the Sun, mostly in the main belt between Mars and Jupiter."}, "https://codexery.com/ngc-objects/e/ngc-objects/ngc-1/": {"t": "NGC 1", "s": "First object in the New General Catalogue, a spiral galaxy in Pegasus.", "i": "https://codexery.com/ngc-objects/img/ngc-objects/ngc-1.webp", "c": "DESI Legacy Surveys / Dustin Lang (Perimeter Institute) · CC BY 4.0"}, "https://codexery.com/astronomers-and-cosmologists/e/astronomers-and-cosmologists/allan-sandage/": {"t": "Allan Sandage", "s": "American astronomer who determined the first accurate Hubble constant and age of the universe.", "i": "https://codexery.com/astronomers-and-cosmologists/img/astronomers-and-cosmologists/allan-sandage.webp", "c": "via Wikipedia: Allan Sandage · see source"}, "https://codexery.com/messier-objects/e/messier-objects/andromeda-galaxy/": {"t": "Andromeda Galaxy", "s": "Nearest major galaxy to the Milky Way."}, "https://codexery.com/stars-and-stellar-objects/e/stars-and-stellar-objects/cepheid-variable/": {"t": "Cepheid variable", "s": "Pulsating stars used as cosmic distance markers."}, "https://codexery.com/astronomy/e/astronomy/hubble-s-law/": {"t": "Hubble's law", "s": "Galaxies recede faster the farther they are from Earth."}, "https://codexery.com/scientists-and-mathematicians/e/scientists-and-mathematicians/edwin-hubble/": {"t": "Edwin Hubble", "s": "The astronomer who revealed the universe beyond the Milky Way"}, "https://codexery.com/international-organizations-and-agreemen/e/international-organizations-and-agreements/international-astronomical-union/": {"t": "International Astronomical Union", "s": "Global authority for astronomical naming and cooperation."}, "https://codexery.com/astronomers-and-cosmologists/e/astronomers-and-cosmologists/fritz-zwicky/": {"t": "Fritz Zwicky", "s": "Swiss astronomer who pioneered dark matter and supernova theory.", "i": "https://codexery.com/astronomers-and-cosmologists/img/astronomers-and-cosmologists/fritz-zwicky.webp", "c": "via Wikipedia: Fritz Zwicky · see source"}, "https://codexery.com/cosmic-mysteries/e/cosmic-mysteries/neutron-stars/": {"t": "Neutron stars", "s": "Gravitationally collapsed cores of massive stars, second only to black holes."}, "https://codexery.com/quasars-and-galaxy-clusters/e/quasars-and-galaxy-clusters/cygnus-a/": {"t": "Cygnus A", "s": "One of the strongest radio sources in the sky."}, "https://codexery.com/astronomy-space/e/astronomy-and-space/mercury-planet/": {"t": "Mercury (planet)", "s": "Smallest planet and closest to the Sun."}, "https://codexery.com/universities-and-colleges/e/universities-and-colleges/harvard-university/": {"t": "Harvard University", "s": "Oldest institution of higher learning in the United States.", "i": "https://codexery.com/universities-and-colleges/img/universities-and-colleges/harvard-university.webp", "c": "Harvard University · via Wikipedia: Harvard University · Public domain"}, "https://codexery.com/science-and-technology/e/science-and-technology/meteorology/": {"t": "Meteorology", "s": "Study of Earth's atmosphere and weather forecasting."}, "https://codexery.com/observatories-of-asia-africa-and-oceania/e/observatories-of-asia-africa-and-oceania/boyden-observatory/": {"t": "Boyden Observatory", "s": "Research observatory and education centre in South Africa."}, "https://codexery.com/novels-by-robert-a-heinlein/e/novels-by-robert-a-heinlein/variable-star/": {"t": "Variable Star", "s": "A young musician flees romance aboard a starship colony mission."}, "https://codexery.com/globular-clusters/e/globular-clusters/globular-cluster/": {"t": "Globular cluster", "s": "Spheroidal star clusters bound by gravity, found in galactic halos."}, "https://codexery.com/stars-and-stellar-phenomena/e/stars-and-stellar-phenomena/light-curve/": {"t": "Light curve", "s": "Graph of celestial light intensity over time."}, "https://codexery.com/astronomers-and-astrophysicists/e/astronomers-and-astrophysicists/edward-charles-pickering/": {"t": "Edward Charles Pickering", "s": "American astronomer who discovered the first spectroscopic binary stars and advanced stellar photography.", "i": "https://codexery.com/astronomers-and-astrophysicists/img/astronomers-and-astrophysicists/edward-charles-pickering.webp", "c": "via Wikipedia: Edward Charles Pickering · see source"}, "https://codexery.com/astronomers-and-astrophysicists/e/astronomers-and-astrophysicists/henrietta-swan-leavitt/": {"t": "Henrietta Swan Leavitt", "s": "Discovered the period-luminosity relation for Cepheid variable stars.", "i": "https://codexery.com/astronomers-and-astrophysicists/img/astronomers-and-astrophysicists/henrietta-swan-leavitt.webp", "c": "Unknown authorUnknown author · via Wikipedia: Henrietta Swan Leavitt · Public domain"}, "https://codexery.com/emission-dark-and-reflection-nebulae/e/emission-dark-and-reflection-nebulae/barnard-s-loop/": {"t": "Barnard's Loop", "s": "A faint emission arc in Orion, part of a superbubble."}, "https://codexery.com/cities-and-urban-areas/e/cities-and-urban-areas/nashville-tennessee/": {"t": "Nashville, Tennessee", "s": "Capital of Tennessee, major music and healthcare hub.", "i": "https://codexery.com/cities-and-urban-areas/img/cities-and-urban-areas/nashville-tennessee.webp", "c": "via Wikipedia: Nashville, Tennessee · see source"}, "https://codexery.com/manufacturing-and-materials/e/manufacturing-and-materials/photography/": {"t": "Photography", "s": "Drawing with light: capturing images through chemical or electronic means."}, "https://codexery.com/education-schools/e/education-and-schools/scholarship/": {"t": "Scholarship", "s": "Financial aid awarded for education based on various criteria."}, "https://codexery.com/moons-of-saturn/e/moons-of-saturn/iapetus-moon/": {"t": "Iapetus (moon)", "s": "Saturn's walnut-shaped moon with a dark and bright face.", "i": "https://codexery.com/moons-of-saturn/img/moons-of-saturn/iapetus-moon.webp", "c": "NASA / JPL · Public domain"}, "https://codexery.com/radio-propagation/e/radio-propagation/voyager-1/": {"t": "Voyager 1", "s": "First spacecraft to enter interstellar space, launched in 1977."}, "https://codexery.com/moons-of-jupiter/e/moons-of-jupiter/amalthea-moon/": {"t": "Amalthea (moon)", "s": "Jupiter's fifth moon, last discovered by direct visual observation."}, "https://codexery.com/astrophotography/e/astrophotography/astrophotography/": {"t": "Astrophotography", "s": "Astrophotography records celestial objects using long exposures and specialized equipment."}, "https://codexery.com/spiral-galaxies/e/spiral-galaxies/milky-way/": {"t": "Milky Way", "s": "The barred spiral galaxy containing the Solar System."}, "https://codexery.com/stars-of-centaurus/e/stars-of-centaurus/alpha-centauri/": {"t": "Alpha Centauri", "s": "Nearest star system to the Sun, with three stars."}, "https://codexery.com/astronomy/e/astronomy/dark-nebula/": {"t": "Dark nebula", "s": "Dark patches in the Milky Way that block visible light", "i": "https://codexery.com/astronomy/img/astronomy/dark-nebula.webp", "c": "Thedarksideobservatory · CC BY-SA 4.0"}, "https://codexery.com/human-variation-and-health/e/human-variation-and-health/medical-doctor/": {"t": "Medical doctor", "s": "Health professional who practices medicine to promote and restore health."}, "https://codexery.com/astronomy/e/astronomy/crab-nebula/": {"t": "Crab Nebula", "s": "A supernova remnant and pulsar wind nebula in Taurus, linked to a supernova observed in AD 1054.", "i": "https://codexery.com/astronomy/img/astronomy/crab-nebula.webp", "c": "via Wikipedia: Crab Nebula · see source"}, "https://codexery.com/natural-disasters/e/natural-disasters/1755-lisbon-earthquake/": {"t": "1755 Lisbon earthquake", "s": "The 1755 Lisbon earthquake, with an estimated magnitude of 7.7 or greater, devastated Lisbon and triggered a tsunami and fires, leading to the birth of modern s", "i": "https://codexery.com/natural-disasters/img/natural-disasters/1755-lisbon-earthquake.webp", "c": "Elliott Bledsoe from Brisbane, Australia · CC BY 2.0"}, "https://codexery.com/inventors/e/great-inventors/benjamin-franklin/": {"t": "Benjamin Franklin", "s": "Founding Father, scientist, inventor, and diplomat.", "i": "https://codexery.com/inventors/img/great-inventors/benjamin-franklin.webp", "c": "via Wikipedia: Benjamin Franklin · see source"}, "https://codexery.com/planets-and-dwarf-planets/e/planets-and-dwarf-planets/venus/": {"t": "Venus", "s": "Earth's twin, hottest planet, shrouded in sulfuric acid clouds."}, "https://codexery.com/planets-and-dwarf-planets/e/planets-and-dwarf-planets/jupiter/": {"t": "Jupiter", "s": "Largest planet in the Solar System, a gas giant with a Great Red Spot."}, "https://codexery.com/historical-figures/e/scientists/thomas-paine/": {"t": "Thomas Paine", "s": "The firebrand pamphleteer who ignited revolutions on both sides of the Atlantic."}, "https://codexery.com/planets-and-dwarf-planets/e/planets-and-dwarf-planets/uranus/": {"t": "Uranus", "s": "The seventh planet, a tilted ice giant with extreme seasons."}, "https://codexery.com/german-states/e/german-states/hamburg/": {"t": "Hamburg", "s": "Second-largest German city and major Hanseatic port."}, "https://codexery.com/stars-and-stellar-objects/e/stars-and-stellar-objects/constellation/": {"t": "Constellation", "s": "Patterns in the sky that guide stories and navigation."}, "https://codexery.com/astronomical-catalogues/e/astronomical-catalogues/celestial-cartography/": {"t": "Celestial cartography", "s": "Mapping the celestial sphere from antiquity to modern databases.", "i": "https://codexery.com/astronomical-catalogues/img/astronomical-catalogues/celestial-cartography.webp", "c": "Domenico de Rossi · Public domain"}, "https://codexery.com/messier-objects/e/messier-objects/messier-81/": {"t": "Messier 81", "s": "Grand design spiral galaxy with an active nucleus."}, "https://codexery.com/planets-and-dwarf-planets/e/planets-and-dwarf-planets/ceres-dwarf-planet/": {"t": "Ceres (dwarf planet)", "s": "Dwarf planet in the main asteroid belt, first discovered asteroid."}, "https://codexery.com/astronomers-and-astrophysicists/e/astronomers-and-astrophysicists/william-herschel/": {"t": "William Herschel", "s": "Discoverer of Uranus and infrared radiation", "i": "https://codexery.com/astronomers-and-astrophysicists/img/astronomers-and-astrophysicists/william-herschel.webp", "c": "Lemuel Francis Abbott · via Wikipedia: William Herschel · Public domain"}, "https://codexery.com/chemists-and-biochemists/e/chemists-and-biochemists/martin-heinrich-klaproth/": {"t": "Martin Heinrich Klaproth", "s": "German chemist who discovered uranium and zirconium."}, "https://codexery.com/historical-figures/e/notable/hipparchus/": {"t": "Hipparchus", "s": "Greek astronomer, geographer, and mathematician; founder of trigonometry and discoverer of the precession of the equinoxes."}, "https://codexery.com/astronomers-and-cosmologists/e/astronomers-and-cosmologists/johannes-kepler/": {"t": "Johannes Kepler", "s": "German polymath and father of modern astronomy", "i": "https://codexery.com/astronomers-and-cosmologists/img/astronomers-and-cosmologists/johannes-kepler.webp", "c": "via Wikipedia: Johannes Kepler · see source"}, "https://codexery.com/english-counties/e/english-counties/gloucestershire/": {"t": "Gloucestershire", "s": "A ceremonial county in South West England, bisected by the River Severn and home to the Cotswolds, Forest of Dean, and Wye Valley."}, "https://codexery.com/regions-of-england/e/regions-of-england/essex/": {"t": "Essex", "s": "Ceremonial county in South East England with ancient woodland and long coastline."}, "https://codexery.com/english-counties/e/english-counties/herefordshire/": {"t": "Herefordshire", "s": "A rural county in the Welsh Marches, known for cider and the River Wye."}, "https://codexery.com/scientists-and-mathematicians/e/scientists-and-mathematicians/edmond-halley/": {"t": "Edmond Halley", "s": "English astronomer who predicted the return of Halley's Comet."}, "https://codexery.com/telescope-types/e/telescope-types/aerial-telescope/": {"t": "Aerial telescope", "s": "A tubeless refracting telescope using a string to align objective and eyepiece."}, "https://codexery.com/planets-stellar-astronomy/e/planets-and-stellar-astronomy/parallax/": {"t": "Parallax", "s": "Parallax measures distance through apparent shift in viewpoint."}, "https://codexery.com/stars-of-draco/e/stars-of-draco/gamma-draconis/": {"t": "Gamma Draconis", "s": "Brightest star in Draco, discovered aberration of light."}, "https://codexery.com/rivers-of-europe/e/rivers-of-europe/river-thames/": {"t": "River Thames", "s": "Longest river entirely in England, flowing through London."}, "https://codexery.com/astronomers-and-cosmologists/e/astronomers-and-cosmologists/aristarchus-of-samos/": {"t": "Aristarchus of Samos", "s": "Ancient Greek astronomer who first proposed a Sun-centered universe."}, "https://codexery.com/scientists-and-mathematicians/e/scientists-and-mathematicians/nicolaus-copernicus/": {"t": "Nicolaus Copernicus", "s": "Renaissance polymath who proposed the Sun-centered model of the universe."}, "https://codexery.com/optics-and-color/e/optics-and-color/speed-of-light/": {"t": "Speed of light", "s": "Universal constant defining the maximum speed in spacetime."}, "https://codexery.com/astronomers-and-cosmologists/e/astronomers-and-cosmologists/friedrich-wilhelm-bessel/": {"t": "Friedrich Wilhelm Bessel", "s": "German astronomer who first measured the distance to a star.", "i": "https://codexery.com/astronomers-and-cosmologists/img/astronomers-and-cosmologists/friedrich-wilhelm-bessel.webp", "c": "Christian Albrecht Jensen · via Wikipedia: Friedrich Wilhelm Bessel · Public domain"}, "https://codexery.com/amateur-astronomy/e/amateur-astronomy/amateur-astronomy/": {"t": "Amateur astronomy", "s": "Amateur astronomers observe celestial objects for passion, education, and citizen science."}, "https://codexery.com/meteor-showers/e/meteor-showers/radiant-meteor-shower/": {"t": "Radiant (meteor shower)", "s": "The vanishing point of parallel meteor paths in the sky."}, "https://codexery.com/historical-figures/e/sport/w-g-grace/": {"t": "W. G. Grace", "s": "The record-holding pioneer of modern batsmanship."}, "https://codexery.com/named-comets/e/named-comets/72p-denning-fujikawa/": {"t": "72P/Denning–Fujikawa", "s": "A transitional periodic comet with sporadic brightening and long lost periods."}, "https://codexery.com/periodic-comets/e/periodic-comets/489p-denning/": {"t": "489P/Denning", "s": "Lost for 130 years, recovered as asteroid 2007 HE4."}, "https://codexery.com/amateur-astronomy/e/amateur-astronomy/george-alcock/": {"t": "George Alcock", "s": "Visual discoverer of five comets and five novae."}, "https://codexery.com/emission-dark-and-reflection-nebulae-2/e/emission-dark-and-reflection-nebulae/v476-cygni/": {"t": "V476 Cygni", "s": "A fast nova with a dust dip and an expanding shell."}, "https://codexery.com/media-and-publishing/e/media-and-publishing/nature-journal/": {"t": "Nature (journal)", "s": "British weekly journal of peer-reviewed natural science research.", "i": "https://codexery.com/media-and-publishing/img/media-and-publishing/nature-journal.webp", "c": "ESO/M. Kornmesser (photo displayed on the magazine cover) · via Wikipedia: Nature (journal) · CC BY 4.0"}, "https://codexery.com/nebulae/e/nebulae/horsehead-nebula/": {"t": "Horsehead Nebula", "s": "A dark nebula shaped like a horse's head in Orion."}, "https://codexery.com/planets-stellar-astronomy/e/planets-and-stellar-astronomy/stellar-classification/": {"t": "Stellar classification", "s": "System for classifying stars by spectral and luminosity characteristics."}, "https://codexery.com/spatial-analysis-gis/e/spatial-analysis-and-gis/photogrammetry/": {"t": "Photogrammetry", "s": "Science of obtaining reliable measurements from photographic images."}, "https://codexery.com/nebulae/e/nebulae/ic-434/": {"t": "IC 434", "s": "Emission nebula in Orion, silhouetting the Horsehead Nebula."}, "https://codexery.com/astronomers-and-cosmologists/e/astronomers-and-cosmologists/jim-peebles/": {"t": "Jim Peebles", "s": "Canadian-American cosmologist; Nobel laureate for theoretical cosmology.", "i": "https://codexery.com/astronomers-and-cosmologists/img/astronomers-and-cosmologists/jim-peebles.webp", "c": "via Wikipedia: Jim Peebles · see source"}, "https://codexery.com/planets-stellar-astronomy/e/planets-and-stellar-astronomy/stellar-kinematics/": {"t": "Stellar kinematics", "s": "Observational study of star motions through space."}, "https://codexery.com/notable-asteroids/e/notable-asteroids/asteroid-belt/": {"t": "Asteroid belt", "s": "A torus-shaped region between Mars and Jupiter containing many asteroids."}, "https://codexery.com/german-states/e/german-states/bremen/": {"t": "Bremen", "s": "A historic Hanseatic port city and cultural hub of Northern Germany."}, "https://codexery.com/planets-stellar-astronomy/e/planets-and-stellar-astronomy/solar-system/": {"t": "Solar System", "s": "The Sun and all objects gravitationally bound to it.", "i": "https://codexery.com/planets-stellar-astronomy/img/planets-and-stellar-astronomy/solar-system.webp", "c": "via Wikipedia: Solar System · see source"}, "https://codexery.com/historical-figures/e/notable/carl-friedrich-gauss/": {"t": "Carl Friedrich Gauss", "s": "German mathematician, astronomer, geodesist, and physicist"}, "https://codexery.com/variable-stars/e/variable-stars/r-aquarii/": {"t": "R Aquarii", "s": "Symbiotic Mira variable with jets and a dusty nebula."}, "https://codexery.com/planetary-nebulae/e/planetary-nebulae/helix-nebula/": {"t": "Helix Nebula", "s": "A nearby planetary nebula with cometary knots and a helix shape."}, "https://codexery.com/universities/e/universities/national-autonomous-university-of-mexico/": {"t": "National Autonomous University of Mexico", "s": "A secular public university founded in 1910, central to Mexican education and culture.", "i": "https://codexery.com/universities/img/universities/national-autonomous-university-of-mexico.webp", "c": "Régis Lachaume · Public domain"}, "https://codexery.com/emission-dark-and-reflection-nebulae/e/emission-dark-and-reflection-nebulae/herbig-haro-object/": {"t": "Herbig–Haro object", "s": "Bright patches of nebulosity from newborn stars' jets."}, "https://codexery.com/cities/e/capitals/mexico-city/": {"t": "Mexico City", "s": "La Ciudad de los Palacios"}, "https://codexery.com/crime-justice/e/crime-and-justice/law/": {"t": "Law", "s": "Rules enforced by institutions to regulate behavior."}, "https://codexery.com/planetary-nebulae/e/planetary-nebulae/planetary-nebula/": {"t": "Planetary nebula", "s": "Expanding shells of ionized gas from dying intermediate-mass stars."}, "https://codexery.com/stars-and-stellar-phenomena/e/stars-and-stellar-phenomena/flare-star/": {"t": "Flare star", "s": "A variable star that undergoes unpredictable dramatic increases in brightness, powered by magnetic energy."}, "https://codexery.com/constellations/e/constellations/orion/": {"t": "Orion (constellation)", "s": "A winter constellation named after a hunter in Greek mythology."}, "https://codexery.com/cathedrals/e/great-cathedrals/westminster-abbey/": {"t": "Westminster Abbey", "s": "A royal peculiar and national Valhalla.", "i": "https://codexery.com/cathedrals/img/great-cathedrals/westminster-abbey.webp", "c": "via Wikipedia: Westminster Abbey · see source"}, "https://codexery.com/electromagnetism-and-radiation/e/electromagnetism-and-radiation/ultraviolet/": {"t": "Ultraviolet", "s": "Electromagnetic radiation beyond violet, with both harmful and beneficial effects."}, "https://codexery.com/philosophical-concepts/e/philosophical-concepts/inductive-reasoning/": {"t": "Inductive reasoning", "s": "Reasoning that yields probable, not certain, conclusions.", "i": "https://codexery.com/philosophical-concepts/img/philosophical-concepts/inductive-reasoning.webp", "c": "Brian Brondel at English Wikibooks · CC BY-SA 2.5"}, "https://codexery.com/scientists-and-mathematicians/e/scientists-and-mathematicians/caroline-herschel/": {"t": "Caroline Herschel", "s": "First professional female astronomer and comet discoverer."}, "https://codexery.com/historical-figures/e/scientists/charles-babbage/": {"t": "Charles Babbage", "s": "English polymath who originated the concept of a digital programmable computer."}, "https://codexery.com/optics-and-color/e/optics-and-color/focal-length/": {"t": "Focal length", "s": "Measure of how strongly an optical system bends light.", "i": "https://codexery.com/optics-and-color/img/optics-and-color/focal-length.webp", "c": "cmglee, chensiyuan · CC BY-SA 4.0"}, "https://codexery.com/scientists-and-mathematicians/e/scientists-and-mathematicians/charles-darwin/": {"t": "Charles Darwin", "s": "English naturalist, geologist, and biologist who proposed the theory of evolution by natural selection."}, "https://codexery.com/cities/e/coastal/cape-town/": {"t": "Cape Town", "s": "Legislative capital of South Africa, oldest city, and gateway to the Cape Floristic Region."}, "https://codexery.com/stars-of-carina/e/stars-of-carina/eta-carinae/": {"t": "Eta Carinae", "s": "A massive binary system that erupted spectacularly in the 19th century."}, "https://codexery.com/british-empire/e/british-empire/british-empire/": {"t": "British Empire", "s": "The largest empire in history, spanning a quarter of Earth's land."}, "https://codexery.com/notable-mountains-and-peaks/e/notable-mountains-and-peaks/table-mountain/": {"t": "Table Mountain", "s": "Table Mountain (known in Khoekhoe as Huriǂoaxa, meaning \"sea-emerging,\" and in Afrikaans as Tafelberg) is a flat-topped mountain that stands as a defining landm", "i": "https://codexery.com/notable-mountains-and-peaks/img/notable-mountains-and-peaks/table-mountain.webp", "c": "via Wikipedia: List of mountain peaks by prominence · see source"}, "https://codexery.com/historical-figures/e/notable/charles-lyell/": {"t": "Charles Lyell", "s": "Scottish geologist who popularized uniformitarianism and deep time."}, "https://codexery.com/planets-and-dwarf-planets/e/planets-and-dwarf-planets/saturn/": {"t": "Saturn", "s": "Saturn is a gas giant with rings and the lowest density in the Solar System."}, "https://codexery.com/astronomical-catalogues/e/astronomical-catalogues/astronomical-catalogue/": {"t": "Astronomical catalogue", "s": "Lists of astronomical objects grouped by type, origin, or discovery method."}, "https://codexery.com/astronomical-catalogues/e/astronomical-catalogues/de-systemate-orbis-cometici-deque-admirandis-coeli-characteribus/": {"t": "De systemate orbis cometici, deque admirandis coeli characteribus", "s": "A forgotten 1654 tract on comets and nebulae rediscovered in the 20th century."}, "https://codexery.com/messier-objects/e/messier-objects/messier-object/": {"t": "Messier object", "s": "A famous catalogue of deep-sky objects compiled by Charles Messier."}, "https://codexery.com/astronomers-and-cosmologists/e/astronomers-and-cosmologists/charles-messier/": {"t": "Charles Messier", "s": "Charles Messier (1730–1817) was a French astronomer best known for compiling a catalogue of 110 nebulae and star clusters, now called the Messier objects, each ", "i": "https://codexery.com/astronomers-and-cosmologists/img/astronomers-and-cosmologists/charles-messier.webp", "c": "Ansiaux (1729—1786) (??) · via Wikipedia: Charles Messier · Public domain"}, "https://codexery.com/globular-clusters/e/globular-clusters/messier-22/": {"t": "Messier 22", "s": "A bright globular cluster near the Galactic bulge."}, "https://codexery.com/constellations/e/constellations/sagittarius/": {"t": "Sagittarius (constellation)", "s": "A zodiac constellation representing a centaur archer.", "i": "https://codexery.com/constellations/img/constellations/sagittarius.webp", "c": "John Flamsteed · Public domain"}, "https://codexery.com/globular-clusters/e/globular-clusters/messier-4/": {"t": "Messier 4", "s": "The closest globular cluster to Earth, first resolved into stars."}, "https://codexery.com/astronomers-and-cosmologists/e/astronomers-and-cosmologists/johannes-hevelius/": {"t": "Johannes Hevelius", "s": "Lunar topographer, comet discoverer, and brewer of Gdańsk.", "i": "https://codexery.com/astronomers-and-cosmologists/img/astronomers-and-cosmologists/johannes-hevelius.webp", "c": "Daniel Schultz · via Wikipedia: Johannes Hevelius · Public domain"}, "https://codexery.com/astronomers-and-cosmologists/e/astronomers-and-cosmologists/john-flamsteed/": {"t": "John Flamsteed", "s": "First Astronomer Royal and meticulous star cataloguer", "i": "https://codexery.com/astronomers-and-cosmologists/img/astronomers-and-cosmologists/john-flamsteed.webp", "c": "via Wikipedia: Star · see source"}, "https://codexery.com/space-program-of-australia/e/space-program-of-australia/csiro/": {"t": "CSIRO", "s": "Australia's national science agency, advancing research since 1916."}, "https://codexery.com/radio-telescopes/e/radio-telescopes/australian-square-kilometre-array-pathfinder/": {"t": "Australian Square Kilometre Array Pathfinder", "s": "A radio telescope array using phased-array feed technology for wide-field surveys."}, "https://codexery.com/galaxy-clusters-and-groups/e/galaxy-clusters-and-groups/dorado-group/": {"t": "Dorado Group", "s": "A rich southern galaxy group with a dense core of luminous galaxies."}, "https://codexery.com/stars-of-hydra/e/stars-of-hydra/peekaboo-galaxy/": {"t": "Peekaboo Galaxy", "s": "A metal-poor dwarf galaxy hidden behind a foreground star."}, "https://codexery.com/rivers/e/rivers/rhine/": {"t": "Rhine", "s": "Europe's second-longest river, flowing from the Swiss Alps to the North Sea.", "i": "https://codexery.com/rivers/img/rivers/rhine.webp", "c": "Sdkb · CC BY-SA 4.0"}, "https://codexery.com/sports-and-games/e/sports-and-games/sport-of-athletics/": {"t": "Sport of athletics", "s": "A group of sporting events involving running, jumping, and throwing."}, "https://codexery.com/history-of-the-british-empire/e/history-of-the-british-empire/cape-colony/": {"t": "Cape Colony", "s": "British colony at the Cape of Good Hope, later part of South Africa."}, "https://codexery.com/phantom-places-discovery/e/phantom-places-and-discovery/surveying/": {"t": "Surveying", "s": "Surveying determines positions for maps, boundaries, and construction."}, "https://codexery.com/cities-on-rivers/e/cities-on-rivers/nantes/": {"t": "Nantes", "s": "City of the Dukes of Brittany on the Loire"}, "https://codexery.com/historical-figures/e/notable/antoine-lavoisier/": {"t": "Antoine Lavoisier", "s": "French nobleman and chemist who revolutionized chemistry by introducing quantitative methods and discovering oxygen's role in combustion."}, "https://codexery.com/revolutions-uprisings/e/revolutions-and-uprisings/french-revolution/": {"t": "French Revolution", "s": "The 1789–1799 upheaval that toppled the French monarchy and shaped liberal democracy.", "i": "https://codexery.com/revolutions-uprisings/img/revolutions-and-uprisings/french-revolution.webp", "c": "via Wikipedia: French Revolution · see source"}, "https://codexery.com/peninsulas-and-cape-landforms/e/peninsulas-and-cape-landforms/cape-of-good-hope/": {"t": "Cape of Good Hope", "s": "Rocky headland on the Cape Peninsula, key to the Cape Route.", "i": "https://codexery.com/peninsulas-and-cape-landforms/img/peninsulas-and-cape-landforms/cape-of-good-hope.webp", "c": "Dietmar Rabich · CC BY-SA 4.0"}, "https://codexery.com/planets-and-dwarf-planets/e/planets-and-dwarf-planets/mars/": {"t": "Mars", "s": "The fourth planet from the Sun, a desert world with polar ice caps."}, "https://codexery.com/constellations/e/constellations/mensa-constellation/": {"t": "Mensa (constellation)", "s": "The faintest constellation, named for Table Mountain near Cape Town."}, "https://codexery.com/astronomy/e/astronomy/halley-s-comet/": {"t": "Halley's Comet", "s": "First comet recognized as periodic, observed for over two millennia.", "i": "https://codexery.com/astronomy/img/astronomy/halley-s-comet.webp", "c": "via Wikipedia: Halley's Comet · see source"}, "https://codexery.com/messier-objects/e/messier-objects/messier-36/": {"t": "Messier 36", "s": "An open cluster in Auriga, similar to the Pleiades."}, "https://codexery.com/messier-objects-open-clusters/e/messier-objects-open-clusters/messier-38/": {"t": "Messier 38", "s": "An intermediate-age open cluster in Auriga with a distinctive cross pattern."}, "https://codexery.com/messier-objects/e/messier-objects/lagoon-nebula/": {"t": "Lagoon Nebula", "s": "A giant emission nebula visible to the naked eye from mid-northern latitudes."}, "https://codexery.com/constellations/e/constellations/cygnus/": {"t": "Cygnus", "s": "A northern constellation shaped like a swan."}, "https://codexery.com/scientists-and-mathematicians/e/scientists-and-mathematicians/mikhail-lomonosov/": {"t": "Mikhail Lomonosov", "s": "Russian polymath who discovered the atmosphere of Venus and the law of conservation of mass."}, "https://codexery.com/wars-conflicts/e/wars-and-conflicts/seven-years-war/": {"t": "Seven Years' War", "s": "Global war that reshaped European and colonial power.", "i": "https://codexery.com/wars-conflicts/img/wars-and-conflicts/seven-years-war.webp", "c": "Blaue Max · via Wikipedia: Seven Years' War · CC BY-SA 4.0"}, "https://codexery.com/fifa-world-cup/e/honours/france/": {"t": "France", "s": "A global centre of art, science, cuisine and philosophy."}, "https://codexery.com/infectious-diseases/e/infectious-diseases/dysentery/": {"t": "Dysentery", "s": "A diarrheal disease causing bloody stools, often from poor sanitation."}, "https://codexery.com/astronomy-space/e/astronomy-and-space/lunar-eclipse/": {"t": "Lunar eclipse", "s": "A lunar eclipse occurs when the Moon passes through Earth's shadow."}, "https://codexery.com/ethnic-indigenous-groups/e/ethnic-and-indigenous-groups/tamils/": {"t": "Tamils", "s": "Dravidian ethnic group with over two millennia of written history."}}