All articles A–Z
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Amaruq
Amaruq is a gold mine in the Kivalliq region of Nunavut, Canada, owned by Agnico Eagle, whose open pit and underground operations supply ore to the nearby Meadowbank mill.
Amarushataka
The Amarushataka (Amaruśatakam) is a Sanskrit anthology of about a hundred lyric verses on love attributed to the poet Amaru, the classic Sanskrit erotic lyric work.
Amaryllidaceae
Amaryllidaceae, the amaryllis family (J.St.-Hil., 1805), a monocot family in Asparagales with subfamilies Amaryllidoideae, Allioideae, and Agapanthoideae; bulbous herbs including Narcissus, Galanthus, and Allium, source of galanthamine.
Amaryllis
Amaryllis is a small genus of South African bulbous plants, best known for Amaryllis belladonna, the Jersey lily, which bears fragrant pink or white trumpet flowers on leafless stems in late summer.
Amaryllis August
Amaryllis August (Amaryllis April Maltha August, born 2003) is a Danish actress and former model, daughter of director Bille August and actress Sara-Marie Maltha, whose screen debut was the lead role of Laura in Thomas Vinterberg's 2024 series Families Like Ours; she also played Valentine de Villefort in The Count of Monte Cristo (2024).
Amaryllis belladonna
Amaryllis belladonna, the belladonna lily, naked lady, or Jersey lily, is a South African Cape bulb, the true Amaryllis, flowering on leafless solid stems in autumn; often confused with Hippeastrum, the holiday 'amaryllis'.
Amaryllis Fleming
Amaryllis Fleming (Amaryllis Marie-Louise Fleming, 1925–1999), British cellist and Royal College of Music professor, daughter of Augustus John and half-sister of Ian Fleming; pioneer of the baroque five-string cello in Bach's sixth suite, owner of a Brothers Amati and a 1717 Stradivari cello.
Amasis (general)
Amasis was an army commander of Egypt's Saite 26th Dynasty who served Necho II, Psamtik II, and Apries, and co-led the Nubian campaign of 593 BC.
Amasis II
Amasis II, also known as Ahmose II or Khnemibre, was a pharaoh of Egypt's 26th Dynasty who ruled from 570 to 526 BC, the last great native pharaoh before the Persian conquest of 525 BC.
AMASS (motion dataset)
AMASS is a public database of human motion that unifies 15 motion capture datasets into a single format, released in 2019 by the Max Planck Institute for Intelligent Systems.
Amastris/Sesamos
Amastris (Sesamos, Sesamon), ancient Greek city on the south Black Sea coast at modern Amasra, Turkey; a Milesian colony renamed around 300 BC for Queen Amastris of Heracleia, later under Pontic and Roman rule.
Amat-Mamu
Amat-Mamu was a naditu priestess and scribe at Sippar in ancient Babylonia, one of eight scribes in the gagum, active for at least forty years under Hammurabi, Samsu-iluna, and Abi-eshuh.
Amata (crater on Dione)
Amata is a 76-km-wide impact crater on Dione, moon of Saturn, at 5.17N, 279.81W, IAU-approved in 1982 and named for the mother of Lavinia, Aeneas's wife; it contains a 16-km central pit.
Amata Coleman Radewagen
Aumua Amata Coleman Radewagen, born 1947, is the Republican delegate to the U.S. House from American Samoa since 2015, the first woman to represent the territory.
Amaterasu (天照)
Amaterasu (天照大神, Amaterasu-Ōmikami) is the Japanese sun goddess and imperial ancestress, born from Izanagi's left eye, central to the Ame-no-Iwato and Tenson kōrin myths, and enshrined at Ise Jingū.
Amaterasu particle
The Amaterasu particle is an ultra-high-energy cosmic ray detected in 2021 in Utah with an energy of 244 EeV, second only to the 1991 Oh-My-God particle.
Amaterasu Patera
Amaterasu Patera is a roughly 93-95 km wide volcanic patera on Jupiter's moon Io at 38°N, 306.5°W, named for the Japanese sun goddess, IAU-approved 1979, observed darkening by Galileo and studied by Juno/JIRAM.
Amateur
Amateur, from Latin amator (lover): a person pursuing art, science, sport, or leisure for love rather than pay. The term carries dual connotations of passion and unskill, and amateurism as an ideology originated in 19th-century British sport.
Amateur astronomy
Amateur astronomy, also called backyard astronomy or star gazing, is the observation of celestial objects by unpaid hobbyists, about a million of whom contribute data to professional research.
Amateur Athletic Union
Amateur Athletic Union (AAU), U.S. nonprofit multi-sport organization founded January 21, 1888; once governed Olympic-sport eligibility, displaced by the 1978 Amateur Sports Act, now runs grassroots youth sports including AAU basketball.
Amateur boxing
Amateur boxing is the form of boxing contested at the Olympics and in international competition, scored by judges rather than for a purse, with stricter safety and medical rules than professional boxing.
Amateur liquid-fuel rocket engines
Amateur liquid-fuel rocket engines are bipropellant rocket engines built by hobbyists and university teams, typically pressure-fed and burning nitrous oxide or LOX with alcohol or kerosene.
Amateur Photographer
Amateur Photographer is a British photography-hobby magazine first published in 1884, making it the world's oldest consumer photography magazine, now published fortnightly by Kelsey Media.
Amateur pornography
Amateur pornography: sexually explicit content made by non-professionals, also called user-generated or DIY porn. Traced from Polaroid and home video through Usenet to tube sites; defined by an aesthetic of authenticity rather than studio production.
Amateur press association
Amateur press association (APA): a member-run publishing circle in which contributors send copies of their zines to a central editor who collates and distributes bundles. Began with NAPA (1876); FAPA (1937) brought the form to science fiction fandom.
Amateur radio
Amateur radio, also called ham radio, is a licensed noncommercial radiocommunication service in which hobbyists operate equipment for self-training, communication, and technical investigation, without financial interest.
Amateur radio frequency allocations
Amateur radio frequency allocations, also called ham bands, are the radio spectrum segments set aside for licensed amateur radio, spanning 135.7 kHz to 250 GHz.
Amateur radio net
An amateur radio net is a scheduled on-the-air gathering of licensed amateur radio operators meeting at a specific frequency and time, usually directed by a net control station.
Amateur radio voice operating
Amateur radio voice operating is the practice of two-way speech contacts between licensed amateur stations, covering AM and SSB signals, band plans, calling formats, signal reports, and license privileges.
Amateur rocketry
Amateur rocketry is non-commercial research rocketry in which individuals or small groups design, build, and fly their own rockets and experimental motors, from small solids to liquid engines.