{"/e/astronomical-catalogues/star-catalogue/": {"t": "Star catalogue", "s": "Mapping the heavens: from clay tablets to billions of stars.", "i": "https://codexery.com/astronomical-catalogues/img/astronomical-catalogues/star-catalogue.webp", "c": "CielProfond · CC BY-SA 4.0"}, "https://codexery.com/astronomy/e/astronomy/galaxy-morphological-classification/": {"t": "Galaxy morphological classification", "s": "A system for classifying galaxies by visual appearance and structure."}, "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/astronomy/e/astronomy/giant-star/": {"t": "Giant star", "s": "Giant stars are luminous, expanded post-main-sequence stars."}, "https://codexery.com/planets-stellar-astronomy/e/planets-and-stellar-astronomy/star-system/": {"t": "Star system", "s": "Gravitationally bound groups of stars, from binaries to complex multiples."}, "https://codexery.com/planets-stellar-astronomy/e/planets-and-stellar-astronomy/star-cluster/": {"t": "Star cluster", "s": "Groups of stars sharing origin, held by gravity."}, "https://codexery.com/galaxies/e/galaxies/deep-sky-object/": {"t": "Deep-sky object", "s": "Faint celestial objects beyond stars and Solar System bodies."}, "https://codexery.com/astrophotography/e/astrophotography/x-ray-astronomy/": {"t": "X-ray astronomy", "s": "Observing the universe in X-rays from above Earth's atmosphere."}, "https://codexery.com/astronomical-radio-sources/e/astronomical-radio-sources/astronomical-radio-source/": {"t": "Astronomical radio source", "s": "Objects in space emitting strong radio waves from extreme processes."}, "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/astrophotography/e/astrophotography/astronomical-survey/": {"t": "Astronomical survey", "s": "A general map or image of the sky lacking a specific target."}, "https://codexery.com/maps-their-symbols/e/maps-and-their-symbols/cartography/": {"t": "Cartography", "s": "The art and science of making and using maps."}, "https://codexery.com/ancient-inventions/e/ancient-inventions/quadrant-instrument/": {"t": "Quadrant (instrument)", "s": "An angle-measuring instrument derived from the astrolabe."}, "https://codexery.com/space-telescopes/e/space-telescopes/space-telescope/": {"t": "Space telescope", "s": "Telescopes in space avoiding atmospheric interference for astronomical observation."}, "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/science-measurement/e/science-and-measurement/telescope/": {"t": "Telescope", "s": "Observing the universe across the electromagnetic spectrum", "i": "https://codexery.com/science-measurement/img/science-and-measurement/telescope.webp", "c": "Pelligton · CC BY-SA 4.0"}, "https://codexery.com/languages-and-dialects/e/languages-and-dialects/greek-language/": {"t": "Greek language", "s": "Greek is the world's oldest recorded living language."}, "https://codexery.com/languages/e/languages/latin/": {"t": "Latin", "s": "A classical language of the Italic branch, Latin evolved into the Romance languages and remained a key scholarly tongue into the early 19th century."}, "https://codexery.com/astronomical-concepts-and-techniques/e/astronomical-concepts-and-techniques/spherical-astronomy/": {"t": "Spherical astronomy", "s": "Oldest branch of astronomy, locating objects on the celestial sphere."}, "https://codexery.com/people-associated-with-astronomical/e/people-associated-with-astronomical-catalogues/johann-bayer/": {"t": "Johann Bayer", "s": "German lawyer and uranographer who created the first full-sky star atlas."}, "https://codexery.com/european-scientific-pioneers/e/european-scientific-pioneers/tycho-brahe/": {"t": "Tycho Brahe", "s": "The greatest pre-telescopic astronomer", "i": "https://codexery.com/european-scientific-pioneers/img/european-scientific-pioneers/tycho-brahe.webp", "c": "via Wikipedia: Tycho Brahe · see source"}, "https://codexery.com/space-probes-of-esa-japan-china-india/e/space-probes-of-esa-japan-china-india-and-the-ussr/gaia-spacecraft/": {"t": "Gaia (spacecraft)", "s": "ESA astrometry mission mapping a billion stars."}, "https://codexery.com/optical-telescopes/e/optical-telescopes/canada-france-hawaii-telescope/": {"t": "Canada–France–Hawaii Telescope", "s": "3.58-meter optical/infrared telescope on Mauna Kea since 1979."}, "https://codexery.com/elliptical-and-irregular-galaxies/e/elliptical-and-irregular-galaxies/large-magellanic-cloud/": {"t": "Large Magellanic Cloud", "s": "A dwarf satellite galaxy of the Milky Way, rich in gas and star formation."}, "https://codexery.com/messier-objects/e/messier-objects/andromeda-galaxy/": {"t": "Andromeda Galaxy", "s": "Nearest major galaxy to the Milky Way."}, "/e/astronomical-catalogues/astronomical-catalogue/": {"t": "Astronomical catalogue", "s": "Lists of astronomical objects grouped by type, origin, or discovery method."}, "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/ancient-civilizations/e/ancient-civilizations/sumer/": {"t": "Sumer", "s": "Earliest known civilization, emerging in southern Mesopotamia.", "i": "https://codexery.com/ancient-civilizations/img/ancient-civilizations/sumer.webp", "c": "Original: Phirosiberia Derivative: باسم · CC BY 3.0"}, "https://codexery.com/former-empires/e/former-empires/kassites/": {"t": "Kassites", "s": "Ancient Near Eastern people who ruled Babylonia for nearly four centuries."}, "https://codexery.com/mythological-rapists/e/mythological-rapists/enlil/": {"t": "Enlil", "s": "Mesopotamian god of wind, storms, and chief deity."}, "https://codexery.com/poets-of-the-ancient-world/e/poets-of-the-ancient-world/aratus/": {"t": "Aratus", "s": "Greek didactic poet known for his astronomical poem Phenomena."}, "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/lines-hemispheres/e/lines-and-hemispheres/longitude/": {"t": "Longitude", "s": "The east-west coordinate that, with latitude, pinpoints any location on Earth.", "i": "https://codexery.com/lines-hemispheres/img/lines-and-hemispheres/longitude.webp", "c": "Original:  Pearson Scott Forman Vector:  Gregors · via Wikipedia: Longitude · CC BY-SA 3.0"}, "https://codexery.com/pre-columbian-empires/e/pre-columbian-empires/shang-dynasty/": {"t": "Shang dynasty", "s": "Earliest Chinese dynasty confirmed by archaeology and written records."}, "https://codexery.com/ancient-empires/e/ancient-empires/zhou-dynasty/": {"t": "Zhou dynasty", "s": "Longest-reigning Chinese dynasty, spanning nearly eight centuries."}, "https://codexery.com/ancient-histories-and-epics/e/ancient-histories-and-epics/book-of-documents/": {"t": "Book of Documents", "s": "One of the Five Classics, foundational to Chinese political philosophy."}, "https://codexery.com/east-asian-history/e/east-asian-history/qin-state/": {"t": "Qin (state)", "s": "Ancient Chinese state that unified the Warring States."}, "https://codexery.com/orbits-and-celestial-mechanics/e/orbits-and-celestial-mechanics/ecliptic/": {"t": "Ecliptic", "s": "Apparent path of the Sun on the celestial sphere.", "i": "https://codexery.com/orbits-and-celestial-mechanics/img/orbits-and-celestial-mechanics/ecliptic.webp", "c": "S.fonsi · CC BY-SA 3.0"}, "https://codexery.com/chinese-inventors/e/chinese-inventors/zhang-heng/": {"t": "Zhang Heng", "s": "Eastern Han polymath who invented the seismoscope and armillary sphere."}, "https://codexery.com/lines-hemispheres/e/lines-and-hemispheres/hemispheres-of-earth/": {"t": "Hemispheres of Earth", "s": "Equal halves of Earth divided by latitude, longitude, or cultural lines."}, "https://codexery.com/electromagnetism-and-waves/e/electromagnetism-and-waves/infrared/": {"t": "Infrared", "s": "Invisible electromagnetic radiation between visible light and microwaves."}, "https://codexery.com/astronomy-space/e/astronomy-and-space/minor-planet/": {"t": "Minor planet", "s": "A Sun-orbiting body that is neither a planet nor a comet."}, "https://codexery.com/brown-dwarfs/e/brown-dwarfs/brown-dwarf/": {"t": "Brown dwarf", "s": "Substellar objects fusing deuterium, bridging planets and stars.", "i": "https://codexery.com/brown-dwarfs/img/brown-dwarfs/brown-dwarf.webp", "c": "NASA/JPL-Caltech · Public domain"}, "https://codexery.com/elliptical-and-irregular-galaxies/e/elliptical-and-irregular-galaxies/canis-major-overdensity/": {"t": "Canis Major Overdensity", "s": "A disputed dwarf irregular galaxy in the Local Group.", "i": "https://codexery.com/elliptical-and-irregular-galaxies/img/elliptical-and-irregular-galaxies/canis-major-overdensity.webp", "c": "Torsten Bronger . · CC BY-SA 3.0"}, "https://codexery.com/public-law/e/public-law/public-domain/": {"t": "Public domain", "s": "Creative works free from exclusive intellectual property rights.", "i": "https://codexery.com/public-law/img/public-law/public-domain.webp", "c": "Democratic Party · Public domain"}, "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/optical-telescopes/e/optical-telescopes/samuel-oschin-telescope/": {"t": "Samuel Oschin telescope", "s": "A 48-inch Schmidt camera at Palomar Observatory."}, "https://codexery.com/supernova-remnants/e/supernova-remnants/ctb-1/": {"t": "CTB 1", "s": "A mixed-morphology supernova remnant in Cassiopeia with an asymmetric oxygen-rich ejecta."}, "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/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/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"}, "/e/astronomical-catalogues/c-lum-australe-stelliferum/": {"t": "Cœlum Australe Stelliferum", "s": "French astronomer who catalogued southern stars and named 14 constellations.", "i": "https://codexery.com/astronomical-catalogues/img/astronomical-catalogues/c-lum-australe-stelliferum.webp", "c": "Nicolas Louis de Lacaille . · Public domain"}, "https://codexery.com/writing-systems/e/writing-systems/greek-alphabet/": {"t": "Greek alphabet", "s": "Earliest alphabet to systematically write vowels and consonants.", "i": "https://codexery.com/writing-systems/img/writing-systems/greek-alphabet.webp", "c": "Unknown author · Public domain"}, "https://codexery.com/binary-and-multiple-stars/e/binary-and-multiple-stars/aldebaran/": {"t": "Aldebaran", "s": "Brightest star in Taurus, a red giant with a faint binary companion."}, "https://codexery.com/constellations/e/constellations/taurus/": {"t": "Taurus (constellation)", "s": "An ancient zodiac constellation featuring the Pleiades and the Crab Nebula."}, "https://codexery.com/constellations/e/constellations/argo-navis/": {"t": "Argo Navis", "s": "Formerly a single large constellation, now divided into Carina, Puppis, and Vela."}, "https://codexery.com/constellations/e/constellations/carina-constellation/": {"t": "Carina (constellation)", "s": "Southern constellation representing the keel of the ship Argo."}, "https://codexery.com/constellations/e/constellations/puppis/": {"t": "Puppis", "s": "Puppis is the largest remnant of the ancient Argo Navis constellation.", "i": "https://codexery.com/constellations/img/constellations/puppis.webp", "c": "(Credit: ROSAT: NASA/GSFC/S.Snowden et al.; Optical: NOAO/AURA/NSF/Middlebury Co · Public domain"}, "https://codexery.com/constellations/e/constellations/vela-constellation/": {"t": "Vela (constellation)", "s": "Vela is the southern constellation of the ship's sails."}, "https://codexery.com/stars-and-stellar-phenomena/e/stars-and-stellar-phenomena/castor-star/": {"t": "Castor (star)", "s": "A sextuple star system in Gemini, the second-brightest star in its constellation."}, "https://codexery.com/named-stars/e/named-stars/canopus/": {"t": "Canopus", "s": "Second-brightest star in the night sky, a white giant in Carina."}, "https://codexery.com/constellations/e/constellations/norma-constellation/": {"t": "Norma (constellation)", "s": "A small southern constellation representing a carpenter's square or level.", "i": "https://codexery.com/constellations/img/constellations/norma-constellation.webp", "c": "ESO, IAU and Sky &amp; Telescope · CC BY 4.0"}, "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/astronomy/e/astronomy/hyades-star-cluster/": {"t": "Hyades (star cluster)", "s": "Nearest open cluster, key rung on the cosmic distance ladder."}, "https://codexery.com/ngc-objects/e/ngc-objects/ngc-869/": {"t": "NGC 869", "s": "Western component of the Double Cluster in Perseus.", "i": "https://codexery.com/ngc-objects/img/ngc-objects/ngc-869.webp", "c": "Yann Forget · CC BY-SA 4.0"}, "https://codexery.com/ngc-objects/e/ngc-objects/ngc-884/": {"t": "NGC 884", "s": "Eastern component of the Double Cluster in Perseus.", "i": "https://codexery.com/ngc-objects/img/ngc-objects/ngc-884.webp", "c": "john.purvis · CC BY 2.0"}, "https://codexery.com/ngc-objects/e/ngc-objects/ngc-253/": {"t": "NGC 253", "s": "A bright starburst spiral galaxy in the constellation Sculptor."}, "https://codexery.com/lines-hemispheres/e/lines-and-hemispheres/southern-hemisphere/": {"t": "Southern Hemisphere", "s": "The Southern Hemisphere is Earth's southern half, mostly ocean."}, "https://codexery.com/astronomy-space/e/astronomy-and-space/omega-centauri/": {"t": "Omega Centauri", "s": "Largest and most massive globular cluster in the Milky Way."}, "https://codexery.com/galaxy-clusters-and-groups/e/galaxy-clusters-and-groups/centaurus-a/": {"t": "Centaurus A", "s": "Closest radio galaxy and BL Lac object to Earth."}, "https://codexery.com/ngc-objects/e/ngc-objects/ngc-4755/": {"t": "NGC 4755", "s": "Young open cluster in Crux, known for its colorful stars."}, "https://codexery.com/globular-clusters/e/globular-clusters/47-tucanae/": {"t": "47 Tucanae", "s": "Second brightest globular cluster, with a dense core and millions of stars."}, "https://codexery.com/messier-objects/e/messier-objects/messier-110/": {"t": "Messier 110", "s": "Dwarf elliptical satellite of Andromeda, last Messier object."}, "https://codexery.com/nebulae/e/nebulae/ic-2944/": {"t": "IC 2944", "s": "An open cluster with emission nebula featuring Bok globules."}, "https://codexery.com/astrophotography/e/astrophotography/astrograph/": {"t": "Astrograph", "s": "A telescope designed exclusively for astrophotography and sky surveys."}, "https://codexery.com/observatories-of-europe/e/observatories-of-europe/vatican-observatory/": {"t": "Vatican Observatory", "s": "Astronomical research institution supported by the Holy See."}, "https://codexery.com/women-in-science/e/women-in-science/dorothea-klumpke/": {"t": "Dorothea Klumpke", "s": "First woman to earn a doctorate in science at the Sorbonne."}, "https://codexery.com/women-in-science/e/women-in-science/annie-s-d-maunder/": {"t": "Annie S. D. Maunder", "s": "Irish astronomer who revealed sunspot motion and co-created the butterfly diagram."}, "/e/astronomical-catalogues/gaia-catalogues/": {"t": "Gaia catalogues", "s": "Star catalogues from the Gaia space telescope", "i": "https://codexery.com/astronomical-catalogues/img/astronomical-catalogues/gaia-catalogues.webp", "c": "© ESA/Gaia/DPAC; · CC BY-SA 3.0 igo"}, "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/scientists-and-mathematicians/e/scientists-and-mathematicians/caroline-herschel/": {"t": "Caroline Herschel", "s": "First professional female astronomer and comet discoverer."}, "https://codexery.com/discoverers-of-astronomical-objects/e/discoverers-of-astronomical-objects/john-herschel/": {"t": "John Herschel", "s": "English polymath who invented the blueprint and advanced astronomy."}, "https://codexery.com/people-associated-with-astronomical/e/people-associated-with-astronomical-catalogues/john-louis-emil-dreyer/": {"t": "John Louis Emil Dreyer", "s": "Danish astronomer who compiled the New General Catalogue."}, "https://codexery.com/ngc-objects/e/ngc-objects/new-general-catalogue/": {"t": "New General Catalogue", "s": "A foundational catalogue of 7,840 deep-sky objects."}, "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/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/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/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/discoverers-of-astronomical-objects/e/discoverers-of-astronomical-objects/giovanni-battista-hodierna/": {"t": "Giovanni Battista Hodierna", "s": "Italian astronomer who catalogued nebulous objects and double stars."}, "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/astronomical-concepts-and-techniques/e/astronomical-concepts-and-techniques/ubv-photometric-system/": {"t": "UBV photometric system", "s": "First standardized photometric system for stellar classification."}, "https://codexery.com/optical-telescopes/e/optical-telescopes/uk-schmidt-telescope/": {"t": "UK Schmidt Telescope", "s": "A 1.24 m Schmidt survey telescope at Siding Spring Observatory."}, "https://codexery.com/elliptical-and-irregular-galaxies/e/elliptical-and-irregular-galaxies/small-magellanic-cloud/": {"t": "Small Magellanic Cloud", "s": "A dwarf irregular galaxy and naked-eye object near the Milky Way."}, "https://codexery.com/pc-gaming-brands-and-manufacturers/e/pc-gaming-brands-and-manufacturers/gigabyte/": {"t": "Gigabyte", "s": "A unit of digital information with both decimal and binary definitions."}, "https://codexery.com/electromagnetism/e/electromagnetism/electromagnetic-spectrum/": {"t": "Electromagnetic spectrum", "s": "The full range of electromagnetic radiation, from radio to gamma rays."}, "https://codexery.com/people-associated-with-astronomical/e/people-associated-with-astronomical-catalogues/friedrich-wilhelm-argelander/": {"t": "Friedrich Wilhelm Argelander", "s": "German astronomer who catalogued over 324,000 stars."}, "https://codexery.com/south-american-cities/e/south-american-cities/c-rdoba-argentina/": {"t": "Córdoba, Argentina", "s": "The learned city of Argentina"}, "https://codexery.com/stars-of-canis-major/e/stars-of-canis-major/sirius/": {"t": "Sirius", "s": "The brightest star in Earth's night sky."}, "https://codexery.com/orbits-and-celestial-mechanics/e/orbits-and-celestial-mechanics/equinox-celestial-coordinates/": {"t": "Equinox (celestial coordinates)", "s": "A direction in space, not a moment in time.", "i": "https://codexery.com/orbits-and-celestial-mechanics/img/orbits-and-celestial-mechanics/equinox-celestial-coordinates.webp", "c": "Timmonswilliams · CC0"}, "https://codexery.com/orbits-and-celestial-mechanics/e/orbits-and-celestial-mechanics/equinox/": {"t": "Equinox", "s": "Twice-yearly moment when day and night are nearly equal worldwide.", "i": "https://codexery.com/orbits-and-celestial-mechanics/img/orbits-and-celestial-mechanics/equinox.webp", "c": "江戸村のとくぞう · CC0"}, "https://codexery.com/astrophotography/e/astrophotography/radio-astronomy/": {"t": "Radio astronomy", "s": "Passive observation of celestial objects using radio waves.", "i": "https://codexery.com/astrophotography/img/astrophotography/radio-astronomy.webp", "c": "Maksym Kozlenko · CC BY-SA 4.0"}, "https://codexery.com/space-missions/e/space-missions/the-hubble-space-telescope/": {"t": "The Hubble Space Telescope", "s": "A versatile space telescope observing ultraviolet, visible, and near-infrared light."}, "https://codexery.com/nasa-space-probes/e/nasa-space-probes/international-ultraviolet-explorer/": {"t": "International Ultraviolet Explorer", "s": "First space 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