{"/e/space-missions/voyager-2/": {"t": "Voyager 2", "s": "Only spacecraft to visit Uranus and Neptune."}, "https://codexery.com/space-program-of-the-united-states/e/space-program-of-the-united-states/voyager-program/": {"t": "Voyager program", "s": "Two probes exploring the outer planets and interstellar space."}, "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/astronomy-space/e/astronomy-and-space/interstellar-medium/": {"t": "Interstellar medium", "s": "Matter and radiation between star systems in a galaxy."}, "https://codexery.com/planets-and-dwarf-planets/e/planets-and-dwarf-planets/earth/": {"t": "Earth", "s": "The only known planet with liquid surface water and life."}, "https://codexery.com/missions-to-the-moon/e/missions-to-the-moon/lunar-flyby/": {"t": "Lunar flyby", "s": "A spacecraft passes near the Moon without entering orbit.", "i": "https://codexery.com/missions-to-the-moon/img/missions-to-the-moon/lunar-flyby.webp", "c": "NASA Johnson Space Center / NASA/PHOTO_ LUNA_POSADAS_N · Public domain"}, "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/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/moons-of-saturn/e/moons-of-saturn/titan-moon/": {"t": "Titan (moon)", "s": "Saturn's largest moon, with a thick atmosphere and liquid lakes."}, "https://codexery.com/planets-and-dwarf-planets/e/planets-and-dwarf-planets/pluto/": {"t": "Pluto", "s": "Dwarf planet in the Kuiper belt, once the ninth planet."}, "https://codexery.com/electromagnetism-and-waves/e/electromagnetism-and-waves/magnetic-field/": {"t": "Magnetic field", "s": "A vector field quantifying magnetic influence at a given location."}, "https://codexery.com/solar-phenomena/e/solar-phenomena/coronal-mass-ejection/": {"t": "Coronal mass ejection", "s": "A massive ejection of solar plasma into space."}, "https://codexery.com/inorganic-compounds-materials/e/inorganic-compounds-and-materials/hydrazine/": {"t": "Hydrazine", "s": "A versatile inorganic compound used in propellants, foams, and pharmaceuticals.", "i": "https://codexery.com/inorganic-compounds-materials/img/inorganic-compounds-and-materials/hydrazine.webp", "c": "Ben Mills · Public domain"}, "https://codexery.com/antenna-types/e/antenna-types/directional-antenna/": {"t": "Directional antenna", "s": "A directional antenna focuses radio waves in a specific direction."}, "https://codexery.com/antenna-types/e/antenna-types/cassegrain-antenna/": {"t": "Cassegrain antenna", "s": "A parabolic antenna using a convex secondary reflector to redirect the feed beam."}, "https://codexery.com/units-measurement/e/units-and-measurement/watt/": {"t": "Watt", "s": "SI unit of power, equal to one joule per second."}, "https://codexery.com/moons-of-jupiter/e/moons-of-jupiter/metis-moon/": {"t": "Metis (moon)", "s": "Innermost known moon of Jupiter, discovered by Voyager 1 in 1979."}, "https://codexery.com/moons-of-jupiter/e/moons-of-jupiter/thebe-moon/": {"t": "Thebe (moon)", "s": "Thebe is Jupiter's fourth moon and second largest inner satellite."}, "/e/space-missions/voyager-1/": {"t": "Voyager 1", "s": "First spacecraft to enter interstellar space."}, "https://codexery.com/classical-and-continuum-mechanics/e/classical-and-continuum-mechanics/trajectory/": {"t": "Trajectory", "s": "Path of an object through motion over time."}, "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/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/orbits-and-celestial-mechanics/e/orbits-and-celestial-mechanics/escape-velocity/": {"t": "Escape velocity", "s": "Minimum speed to escape a body's gravitational pull.", "i": "https://codexery.com/orbits-and-celestial-mechanics/img/orbits-and-celestial-mechanics/escape-velocity.webp", "c": "Richard West · CC BY-SA 2.0"}, "https://codexery.com/named-stars/e/named-stars/sun/": {"t": "Sun", "s": "The Sun is the central star of the Solar System."}, "https://codexery.com/materials-and-states-of-matter/e/materials-and-states-of-matter/plasma-physics/": {"t": "Plasma (physics)", "s": "Plasma is the fourth state of matter, consisting of ionized gas."}, "https://codexery.com/space-program-of-australia/e/space-program-of-australia/canberra-deep-space-communication-complex/": {"t": "Canberra Deep Space Communication Complex", "s": "Australian tracking station for NASA's interplanetary spacecraft communications."}, "https://codexery.com/nasa-space-probes/e/nasa-space-probes/pioneer-11/": {"t": "Pioneer 11", "s": "First probe to encounter Saturn and second to leave the Solar System."}, "https://codexery.com/human-spaceflight-programs/e/human-spaceflight-programs/apollo-program/": {"t": "Apollo program", "s": "The United States human spaceflight program that landed the first humans on the Moon."}, "/e/space-missions/sputnik-1/": {"t": "Sputnik 1", "s": "Sputnik 1, meaning \"Satellite-One\" in Russian, was the first artificial Earth satellite."}, "https://codexery.com/apollo-11/e/apollo-11/neil-armstrong/": {"t": "Neil Armstrong", "s": "First human to walk on the Moon, Apollo 11 commander.", "i": "https://codexery.com/apollo-11/img/apollo-11/neil-armstrong.webp", "c": "Unknown authorUnknown author · via Wikipedia: Neil Armstrong · Public domain"}, "https://codexery.com/apollo-11/e/apollo-11/michael-collins-astronaut/": {"t": "Michael Collins (astronaut)", "s": "Apollo 11 command module pilot who orbited the Moon alone.", "i": "https://codexery.com/apollo-11/img/apollo-11/michael-collins-astronaut.webp", "c": "NASA; restored by Coffeeandcrumbs · via Wikipedia: Michael Collins (astronaut) · Public domain"}, "https://codexery.com/apollo-11/e/apollo-11/buzz-aldrin/": {"t": "Buzz Aldrin", "s": "Second human to walk on the Moon.", "i": "https://codexery.com/apollo-11/img/apollo-11/buzz-aldrin.webp", "c": "NASA · via Wikipedia: Buzz Aldrin · Public domain"}, "https://codexery.com/spacecraft-that-orbited-the-moon/e/spacecraft-that-orbited-the-moon/apollo-command-and-service-module/": {"t": "Apollo command and service module", "s": "Mother ship of the Apollo lunar landing program."}, "https://codexery.com/missions-to-the-moon/e/missions-to-the-moon/lunar-module/": {"t": "Lunar module", "s": "Craft for crewed transit between lunar orbit and surface.", "i": "https://codexery.com/missions-to-the-moon/img/missions-to-the-moon/lunar-module.webp", "c": "NASA · Public domain"}, "https://codexery.com/spacecraft-that-orbited-the-moon/e/spacecraft-that-orbited-the-moon/lunar-module-eagle/": {"t": "Lunar Module Eagle", "s": "First crewed lunar lander to touch the Moon.", "i": "https://codexery.com/spacecraft-that-orbited-the-moon/img/spacecraft-that-orbited-the-moon/lunar-module-eagle.webp", "c": "via Wikipedia: Lunar Module Eagle · see source"}, "https://codexery.com/apollo-11/e/apollo-11/command-module-columbia/": {"t": "Command module Columbia", "s": "Command module of the first Moon landing mission."}, "https://codexery.com/historical-events-places/e/historical-events-and-places/space-race/": {"t": "Space Race", "s": "Cold War competition for spaceflight supremacy between the US and USSR."}, "https://codexery.com/fifa-world-cup/e/honours/soviet-union/": {"t": "Soviet Union", "s": "The world's flagship communist state and a superpower spanning Eurasia."}, "https://codexery.com/disasters/e/historic-disasters/apollo-1/": {"t": "Apollo 1", "s": "The first crewed Apollo mission ended in tragedy before launch, leading to a 20-month suspension of crewed flights."}, "https://codexery.com/space-program-of-the-united-states/e/space-program-of-the-united-states/project-mercury/": {"t": "Project Mercury", "s": "First US crewed space program, six astronauts flew."}, "https://codexery.com/human-spaceflight-programs/e/human-spaceflight-programs/project-gemini/": {"t": "Project Gemini", "s": "Second U.S. human spaceflight program, bridging Mercury and Apollo."}, "https://codexery.com/spacecraft-that-orbited-the-moon/e/spacecraft-that-orbited-the-moon/luna-15/": {"t": "Luna 15", "s": "Soviet lunar sample-return attempt that crashed during Apollo 11."}, "https://codexery.com/communication-and-media/e/communication-and-media/television/": {"t": "Television", "s": "A telecommunication medium for transmitting moving images and sound."}, "https://codexery.com/cities/e/capitals/washington-d-c/": {"t": "Washington, D.C.", "s": "The federal capital city of the United States, anchored on the Potomac River."}, "https://codexery.com/satellites/e/satellites/satellite/": {"t": "Satellite", "s": "Artificial objects placed into orbit around a celestial body."}, "https://codexery.com/historical-figures/e/notable/dwight-d-eisenhower/": {"t": "Dwight D. Eisenhower", "s": "34th president of the United States and Supreme Commander of Allied forces in Europe during World War II."}, "https://codexery.com/pioneers-of-computing-and-information-th/e/pioneers-of-computing-and-information-theory/norbert-wiener/": {"t": "Norbert Wiener", "s": "Originator of cybernetics and early theorist of machine intelligence.", "i": "https://codexery.com/pioneers-of-computing-and-information-th/img/pioneers-of-computing-and-information-theory/norbert-wiener.webp", "c": "via Wikipedia: Norbert Wiener · see source"}, "https://codexery.com/apollo-program/e/apollo-program/direct-ascent/": {"t": "Direct ascent", "s": "First proposed Apollo landing method, rejected for requiring a huge rocket."}, "https://codexery.com/observatories-of-europe/e/observatories-of-europe/jodrell-bank-observatory/": {"t": "Jodrell Bank Observatory", "s": "Radio astronomy pioneer and UNESCO World Heritage Site."}, "https://codexery.com/forms-of-government/e/forms-of-government/president-of-the-united-states/": {"t": "President of the United States", "s": "Head of state and government of the United States."}, "https://codexery.com/moon-missions/e/moon-missions/apollo-lunar-module/": {"t": "Apollo Lunar Module", "s": "First crewed spacecraft to land beyond Earth."}, "https://codexery.com/media-and-publishing/e/media-and-publishing/time-magazine/": {"t": "Time (magazine)", "s": "A weekly news magazine that pioneered telling news through people."}, "https://codexery.com/cnn-films-films/e/cnn-films-films/apollo-11-2019-film/": {"t": "Apollo 11 (2019 film)", "s": "Archival footage of the first Moon landing."}, "https://codexery.com/historical-events-places/e/historical-events-and-places/moon-landing/": {"t": "Moon landing", "s": "Arrival of a spacecraft on the lunar surface."}, "https://codexery.com/apollo-16/e/apollo-16/ken-mattingly/": {"t": "Ken Mattingly", "s": "Apollo 16 astronaut who performed a deep space EVA."}, "https://codexery.com/project-gemini/e/project-gemini/christopher-c-kraft-jr-mission-control-center/": {"t": "Christopher C. Kraft Jr. Mission Control Center", "s": "NASA's flight control hub for human space missions."}, "https://codexery.com/successful-space-missions/e/successful-space-missions/apollo-14/": {"t": "Apollo 14", "s": "Third lunar landing, first in the lunar highlands.", "i": "https://codexery.com/successful-space-missions/img/successful-space-missions/apollo-14.webp", "c": "NASA; restored by Michel Vuijlsteke · Public domain"}, "https://codexery.com/american-biographical-series/e/american-biographical-series/from-the-earth-to-the-moon-miniseries/": {"t": "From the Earth to the Moon (miniseries)", "s": "A docudrama miniseries covering the Apollo program."}, "/e/space-missions/apollo-11/": {"t": "Apollo 11", "s": "One small step for a man, one giant leap for mankind."}, "https://codexery.com/successful-space-missions/e/successful-space-missions/gemini-7/": {"t": "Gemini 7", "s": "Long-duration Gemini flight that hosted first crewed space rendezvous."}, "https://codexery.com/successful-space-missions/e/successful-space-missions/gemini-12/": {"t": "Gemini 12", "s": "Final crewed Gemini flight demonstrated effective extravehicular activity."}, "https://codexery.com/successful-space-missions/e/successful-space-missions/apollo-8/": {"t": "Apollo 8", "s": "First crewed mission to reach the Moon", "i": "https://codexery.com/successful-space-missions/img/successful-space-missions/apollo-8.webp", "c": "Unknown author Unknown author or not provided · Public domain"}, "https://codexery.com/greek-myths/e/greek-myths/apollo/": {"t": "Apollo", "s": "God of light, healing, prophecy, music, poetry, and archery; twin brother of Artemis."}, "https://codexery.com/lunar-craters/e/lunar-craters/mare-imbrium/": {"t": "Mare Imbrium", "s": "A large lunar mare formed by a protoplanet impact."}, "https://codexery.com/uav-manufacturers/e/uav-manufacturers/lockheed-martin/": {"t": "Lockheed Martin", "s": "Top U.S. federal contractor since at least 2008."}, "/e/space-missions/new-horizons/": {"t": "New Horizons", "s": "The first spacecraft to explore Pluto and the Kuiper belt.", "i": "https://codexery.com/space-missions/img/space-missions/new-horizons.webp", "c": "via Wikipedia: New Horizons · see source"}, "/e/space-missions/galileo/": {"t": "Galileo", "s": "Italian astronomer, physicist, and polymath (1564–1642)"}, "https://codexery.com/scientists-and-mathematicians/e/scientists-and-mathematicians/christiaan-huygens/": {"t": "Christiaan Huygens", "s": "Dutch polymath who advanced optics, mechanics, and astronomy."}, "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/space-program-of-france/e/space-program-of-france/thales-alenia-space/": {"t": "Thales Alenia Space", "s": "European joint venture for satellites and space infrastructure."}, "https://codexery.com/flight-instruments-and-avionics/e/flight-instruments-and-avionics/radar/": {"t": "Radar", "s": "Radio waves detect and track objects by reflection."}, "https://codexery.com/electromagnetism-and-radiation/e/electromagnetism-and-radiation/visible-spectrum/": {"t": "Visible spectrum", "s": "The range of electromagnetic radiation visible to the human eye."}, "https://codexery.com/space-program-of-france/e/space-program-of-france/cnes/": {"t": "CNES", "s": "French national space agency, Europe's largest such organization."}, "https://codexery.com/astronomers-and-astrophysicists/e/astronomers-and-astrophysicists/giovanni-domenico-cassini/": {"t": "Giovanni Domenico Cassini", "s": "Giovanni Domenico Cassini, an Italian-French mathematician, astronomer, astrologer, and engineer, was born in Perinaldo, near Imperia, in the County of Nice, pa"}, "https://codexery.com/moons-of-saturn/e/moons-of-saturn/enceladus/": {"t": "Enceladus", "s": "A small, icy moon with active geysers and a subsurface ocean.", "i": "https://codexery.com/moons-of-saturn/img/moons-of-saturn/enceladus.webp", "c": "Justin Cowart · Public domain"}, "https://codexery.com/missions-to-the-sun/e/missions-to-the-sun/ulysses-spacecraft/": {"t": "Ulysses (spacecraft)", "s": "Solar probe that studied the Sun from all latitudes."}, "https://codexery.com/radio-propagation/e/radio-propagation/doppler-effect/": {"t": "Doppler effect", "s": "Frequency shift due to relative motion between source and observer."}, "https://codexery.com/trans-neptunian-objects/e/trans-neptunian-objects/alan-stern/": {"t": "Alan Stern", "s": "Principal investigator of the New Horizons Pluto mission and former NASA science chief.", "i": "https://codexery.com/trans-neptunian-objects/img/trans-neptunian-objects/alan-stern.webp", "c": "NASA / Eric James · Public domain"}, "/e/space-missions/parker-solar-probe/": {"t": "Parker Solar Probe", "s": "First spacecraft to fly into the Sun's low corona.", "i": "https://codexery.com/space-missions/img/space-missions/parker-solar-probe.webp", "c": "via Wikipedia: Parker Solar Probe · see source"}, "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/astronomy-space/e/astronomy-and-space/kuiper-belt/": {"t": "Kuiper belt", "s": "A circumstellar disc of icy bodies beyond Neptune."}, "https://codexery.com/trans-neptunian-objects/e/trans-neptunian-objects/486958-arrokoth/": {"t": "486958 Arrokoth", "s": "Farthest Solar System object visited by a spacecraft."}, "https://codexery.com/astronomers-and-cosmologists/e/astronomers-and-cosmologists/clyde-tombaugh/": {"t": "Clyde Tombaugh", "s": "American astronomer who discovered Pluto in 1930.", "i": "https://codexery.com/astronomers-and-cosmologists/img/astronomers-and-cosmologists/clyde-tombaugh.webp", "c": "Unknown authorUnknown author · via Wikipedia: Clyde Tombaugh · Public domain"}, "https://codexery.com/education-schools/e/education-and-schools/stanford-university/": {"t": "Stanford University", "s": "Private research university in Stanford, California, founded in 1885 by Leland and Jane Stanford.", "i": "https://codexery.com/education-schools/img/education-and-schools/stanford-university.webp", "c": "via Wikipedia: Stanford University · see source"}, "https://codexery.com/chthonic-beings/e/chthonic-beings/pluto-god/": {"t": "Pluto (god)", "s": "Ruler of the underworld and giver of wealth."}, "/e/space-missions/curiosity/": {"t": "Curiosity", "s": "Mars rover exploring Gale crater since 2012."}, "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/mars-2020/e/mars-2020/ingenuity-helicopter/": {"t": "Ingenuity (helicopter)", "s": "First aircraft to fly on another world."}, "https://codexery.com/derelict-landers/e/derelict-landers/spirit-rover/": {"t": "Spirit (rover)", "s": "Mars rover that operated over twenty times longer than planned."}, "https://codexery.com/derelict-landers/e/derelict-landers/opportunity-rover/": {"t": "Opportunity (rover)", "s": "A robotic rover that explored Mars from 2004 to 2018, far exceeding its planned lifespan."}, "/e/space-missions/perseverance/": {"t": "Perseverance", "s": "NASA rover searching for signs of ancient Martian life."}, "https://codexery.com/ecology-and-behavior/e/ecology-and-behavior/biosphere/": {"t": "Biosphere", "s": "The global sum of all ecosystems and zone of life on Earth.", "i": "https://codexery.com/ecology-and-behavior/img/ecology-and-behavior/biosphere.webp", "c": "Christopher Michel · CC BY-SA 4.0"}, "https://codexery.com/microbiology-and-cell-biology/e/microbiology-and-cell-biology/microorganism/": {"t": "Microorganism", "s": "Microscopic organisms that shape life, health, and history."}, "https://codexery.com/geology-earth-surface/e/geology-and-earth-surface/plain/": {"t": "Plain", "s": "Flat expanse of land covering over one-third of Earth's land area.", "i": "https://codexery.com/geology-earth-surface/img/geology-and-earth-surface/plain.webp", "c": "Kevstan · CC BY-SA 4.0"}, "https://codexery.com/derelict-landers/e/derelict-landers/mars-pathfinder/": {"t": "Mars Pathfinder", "s": "First rover to operate outside the Earth–Moon system"}, "https://codexery.com/exploration-of-mars/e/exploration-of-mars/mars-exploration-program/": {"t": "Mars Exploration Program", "s": "NASA's long-term effort to explore Mars, seeking signs of life and preparing for human exploration."}, "https://codexery.com/astrobiology-space-missions/e/astrobiology-space-missions/mars-2020/": {"t": "Mars 2020", "s": "NASA mission to Mars seeking signs of past life."}, "/e/space-missions/the-mars-rovers/": {"t": "The Mars rovers", "s": "Mars rovers are motorized vehicles operated remotely to explore the Martian surface."}, "https://codexery.com/peninsulas-and-cape-landforms/e/peninsulas-and-cape-landforms/cape-canaveral/": {"t": "Cape Canaveral", "s": "Historic cape and major U.S. rocket launch site."}, "https://codexery.com/mars-2020/e/mars-2020/jezero-crater/": {"t": "Jezero (crater)", "s": "Ancient lakebed crater on Mars, landing site of Perseverance rover."}, "https://codexery.com/geomorphology/e/geomorphology/river-delta/": {"t": "River delta", "s": "Landform formed by sediment deposition at a river mouth."}, "https://codexery.com/human-missions-to-mars/e/human-missions-to-mars/human-mission-to-mars/": {"t": "Human mission to Mars", "s": "Proposals to send astronauts to Mars have existed since the 1950s."}, "https://codexery.com/mars-2020/e/mars-2020/multi-mission-radioisotope-thermoelectric-generator/": {"t": "Multi-mission radioisotope thermoelectric generator", "s": "Nuclear battery converting heat to electricity for space missions."}, "https://codexery.com/mars-2020/e/mars-2020/cheyava-falls/": {"t": "Cheyava Falls", "s": "Mars rock with possible biosignature, discovered by Perseverance in 2024."}, "https://codexery.com/meteorology/e/meteorology/day/": {"t": "Day", "s": "The time period of a full rotation of the Earth with respect to the Sun."}, "https://codexery.com/polymers-and-macromolecules/e/polymers-and-macromolecules/macromolecule/": {"t": "Macromolecule", "s": "Molecules of high relative molecular mass with repeating structural units."}, "https://codexery.com/battery-types/e/battery-types/lithium-ion-battery/": {"t": "Lithium-ion battery", "s": "Rechargeable battery using lithium-ion intercalation for energy storage.", "i": "https://codexery.com/battery-types/img/battery-types/lithium-ion-battery.webp", "c": "RCraig09 · CC BY-SA 4.0"}, "https://codexery.com/astrobiology-space-missions/e/astrobiology-space-missions/mars-science-laboratory/": {"t": "Mars Science Laboratory", "s": "NASA robotic mission that landed the Curiosity rover on Mars."}, "https://codexery.com/mars/e/mars/life-on-mars/": {"t": "Life on Mars", "s": "Mars may have hosted habitable conditions for microorganisms in the ancient past."}, "https://codexery.com/mars/e/mars/geology-of-mars/": {"t": "Geology of Mars", "s": "Study of Mars' surface, crust, interior, and geologic history."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/organic-compound/": {"t": "Organic compound", "s": "Carbon-based compounds central to life and chemistry."}, "https://codexery.com/astronomy-space/e/astronomy-and-space/low-earth-orbit/": {"t": "Low Earth orbit", "s": "Low Earth orbit hosts most artificial satellites and space stations."}, "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/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/electromagnetism-and-radiation/e/electromagnetism-and-radiation/ultraviolet/": {"t": "Ultraviolet", "s": "Electromagnetic radiation beyond violet, with both harmful and beneficial effects."}, "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/climate/e/climate/atmosphere-of-earth/": {"t": "Atmosphere of Earth", "s": "The gaseous envelope surrounding Earth, essential for life and climate."}, "https://codexery.com/astronomy/e/astronomy/hubble-s-law/": {"t": "Hubble's law", "s": "Galaxies recede faster the farther they are from Earth."}, 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"https://codexery.com/successful-space-missions/img/successful-space-missions/artemis-i.webp", "c": "Joel Kowsky · Public domain"}, "https://codexery.com/crewed-spacecraft-and-space-stations/e/crewed-spacecraft-and-space-stations/orion-spacecraft/": {"t": "Orion (spacecraft)", "s": "NASA's deep-space crew capsule for Artemis lunar missions."}, "https://codexery.com/radio-propagation/e/radio-propagation/x-band/": {"t": "X band", "s": "A microwave band used for radar, space communications, and terrestrial broadband."}, "https://codexery.com/derelict-landers/e/derelict-landers/philae-spacecraft/": {"t": "Philae (spacecraft)", "s": "First spacecraft to land on a comet nucleus."}, "https://codexery.com/named-comets/e/named-comets/67p-churyumov-gerasimenko/": {"t": "67P/Churyumov–Gerasimenko", "s": "First comet orbited and landed upon by spacecraft."}, "https://codexery.com/missions-to-the-sun/e/missions-to-the-sun/solar-and-heliospheric-observatory/": {"t": "Solar and Heliospheric Observatory", "s": "ESA-NASA solar observatory that discovered over 5,000 comets."}, "https://codexery.com/space-probes-of-esa-japan-china-india/e/space-probes-of-esa-japan-china-india-and-the-ussr/cluster-ii-spacecraft/": {"t": "Cluster II (spacecraft)", "s": "Four-satellite ESA mission to study Earth's magnetosphere in 3D."}, "https://codexery.com/astronomy-space/e/astronomy-and-space/orbit/": {"t": "Orbit", "s": "Curved trajectory of an object under an attracting force."}, "https://codexery.com/ancient-egyptian-language/e/ancient-egyptian-language/rosetta-stone/": {"t": "Rosetta Stone", "s": "Key to deciphering ancient Egyptian hieroglyphs."}, "https://codexery.com/legal-concepts-doctrines/e/legal-concepts-and-doctrines/decree/": {"t": "Decree", "s": "A legal proclamation issued by a head of state or other authority."}, "https://codexery.com/ancient-egyptian-obelisks/e/ancient-egyptian-obelisks/philae-obelisk/": {"t": "Philae obelisk", "s": "A bilingual obelisk that aided the decipherment of Egyptian hieroglyphs."}, "https://codexery.com/space-program-of-france/e/space-program-of-france/guiana-space-centre/": {"t": "Guiana Space Centre", "s": "European spaceport in South America near the equator."}, "https://codexery.com/miscellaneous/e/miscellaneous/french-guiana/": {"t": "French Guiana", "s": "French Guiana, officially named Guyane, is an overseas department and region of France situated on the northern coast of South America within the Guianas region", "i": "https://codexery.com/miscellaneous/img/miscellaneous/french-guiana.webp", "c": "via Wikipedia: Politics of French Guiana · see source"}, "https://codexery.com/comets/e/comets/comet-nucleus/": {"t": "Comet nucleus", "s": "The solid, dark core of a comet, source of its activity."}, "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."}, 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spacecraft.", "i": "https://codexery.com/artemis-program/img/artemis-program/european-service-module.webp", "c": "via Wikipedia: European Service Module · see source"}, "https://codexery.com/human-spaceflight-programs/e/human-spaceflight-programs/human-landing-system/": {"t": "Human Landing System", "s": "Commercial lunar landers for NASA's Artemis program."}, "https://codexery.com/exploration-of-the-moon/e/exploration-of-the-moon/artemis-accords/": {"t": "Artemis Accords", "s": "Non-binding principles for civil space exploration and resource use.", "i": "https://codexery.com/exploration-of-the-moon/img/exploration-of-the-moon/artemis-accords.webp", "c": "Nachowood1 · CC BY-SA 4.0"}, "https://codexery.com/missions-to-the-moon/e/missions-to-the-moon/lunar-terrain-vehicle/": {"t": "Lunar Terrain Vehicle", "s": "NASA's new unpressurized rover for Artemis lunar south pole missions."}, "https://codexery.com/greek-myths/e/greek-myths/artemis/": {"t": "Artemis", "s": "Greek goddess of hunting, wilderness, and childbirth."}, "https://codexery.com/moon-missions/e/moon-missions/starship-hls/": {"t": "Starship HLS", "s": "SpaceX's lunar lander for NASA's Artemis program."}}