All articles starting with L
25,375 articles
Long March 6A
The Long March 6A (长征六号甲, CZ-6A) is a Chinese medium-lift launch vehicle developed by CASC, first flown in March 2022 from Taiyuan to launch China's low Earth orbit broadband constellations.
Long March 7A
The Long March 7A (长征七号A) is a Chinese three-stage expendable rocket operated by CASC from Wenchang, Hainan, that can place up to 7 tonnes into geostationary transfer orbit.
Long March 8A
Long March 8A (长征八号甲) is a Chinese expendable medium-lift launch vehicle developed by CALT, first flown on 11 February 2025 from Wenchang to deploy low Earth orbit satellite constellations.
Long March 9 (长征九号)
The Long March 9, also known as Changzheng 9 (长征九号), is a Chinese super-heavy-lift rocket under development, planned to lift 100 to 150 tons to orbit with a first flight around 2033.
Long May You Run
Long May You Run (1976, Reprise) is the only studio album by the Stills-Young Band, Stephen Stills and Neil Young's duo; recorded at Criteria Studios, Miami, it reached number 26 on the Billboard 200 and its title track honors Young's hearse Mort.
Long Meg and Her Daughters
Long Meg and Her Daughters is a large Late Neolithic stone circle near Little Salkeld, Cumbria, England: 69 stones in a 109 by 94 m oval, an outlier monolith with cup-and-ring art aligned on midwinter sunset, plus a cursus and enclosure.
Long Mound
Long Mound, Bairant: a centrally protected archaeological mound at Bairant village, Chandauli district, Uttar Pradesh, protected by ASI in 1920, part of the extensive ancient fortified site on the Ban Ganga.
Long non-coding RNA
Long non-coding RNA (lncRNA): noncoding RNA transcripts over 200 nucleotides that regulate gene expression as decoys, guides, and scaffolds; examples H19, Xist, HOTAIR, PCA3; used as cancer biomarkers and therapeutic targets.
Long Parliament
Long Parliament: English parliament summoned November 1640 under Charles I, sitting until 1660; dismantled the Personal Rule, passed the 1641 reforms, survived Pride's Purge, executed the king, and was recalled for the Restoration; distinct from Charles II's Cavalier Parliament.
Long pepper
Long pepper (Piper longum), also pippali, an Indian spice vine in Piperaceae; dried catkin spikes 5–25 mm, pungent like black pepper, Ayurvedic trikatu ingredient, once Rome's favored pepper.
Long profile
A long profile of a river is a plot of channel elevation against distance downstream, a diagnostic of tectonic uplift, rock resistance, and base level changes.
Long protocol (ovarian stimulation)
The long protocol is an IVF ovarian stimulation regimen in which a GnRH agonist starts in the mid-luteal phase, suppressing the pituitary before gonadotropin stimulation.
Long Qingquan
Long Qingquan (龙清泉), Chinese weightlifter born 1990 in Longshan, Hunan; two-time Olympic bantamweight 56 kg champion (Beijing 2008, Rio 2016) and 307 kg world record total holder.
Long QT syndrome
Long QT syndrome (LQTS), also Romano-Ward or Jervell and Lange-Nielsen syndrome, is an inherited or drug-induced cardiac channelopathy with prolonged QT interval, torsades de pointes, syncope, and sudden death risk.
Long Range Desert Group
Long Range Desert Group (LRDG), British Commonwealth desert reconnaissance unit founded July 1940 by Major Ralph Bagnold as the Long Range Patrol; scorpion badge, sun-compass navigation, SAS 'desert taxi service', disbanded June 1945.
Long Range Identification and Tracking
Long Range Identification and Tracking (LRIT) is an IMO satellite tracking system, adopted in 2006 and operational since 2009, requiring ships to report position every 6 hours.
Long range shooting
Long range shooting is the sport of firing rifles at targets 800 to 1,000 yards and beyond, its oldest international match being the Palma Match, first fired in 1876.
Long Range Strike Bomber
The Long Range Strike Bomber (LRS-B) was the US Air Force program that produced the B-21 Raider, a stealth bomber meant to replace the B-52 and B-1B.
Long Ridge Equity Partners
Long Ridge Equity Partners is a New York growth equity firm founded by Jim Brown in 2007, investing in financial services and business services companies.
Long rifle
The long rifle, also called the Kentucky rifle or Pennsylvania rifle, is a muzzle-loading, full-stocked flintlock rifle developed in southeastern Pennsylvania around 1725 by German and Swiss immigrant gunsmiths.
Long Road Out of Eden
Long Road Out of Eden is the Eagles' seventh and final studio album, released October 30, 2007, marking a 28-year gap and a No. 1 debut on the Billboard 200.
Long run and short run
Long run and short run are the two planning horizons in the theory of the firm, defined by whether all factors of production can be varied rather than by calendar time.
Long s
Long s (ſ), also medial or descending s: archaic lowercase s shaped like an f without the right crossbar, used initially and medially in words, standard in printing until about 1800 and in handwriting into the late 1800s; survives in the integral sign ∫ and German ß.
Long Shadows (film)
Long Shadows is a 2025 American Western, William Shockley's feature directorial debut, starring Blaine Maye, Dermot Mulroney, Jacqueline Bisset, and Dominic Monaghan; released November 7, 2025 by Quiver Distribution.
Long short-term memory
Long short-term memory (LSTM) is a recurrent neural network architecture, introduced by Sepp Hochreiter and Jürgen Schmidhuber in 1997, that stores information over long time spans using gated memory cells.
Long Shot (2019 film)
Long Shot (2019 film), early title Flarsky, is a Jonathan Levine romantic comedy starring Seth Rogen and Charlize Theron as a speechwriter and presidential candidate; released May 3, 2019, it grossed $30.3 million in the U.S.
Long snapper
Long snapper: the special teams center in American football who snaps the ball to the holder or punter. Also called LS; protected as a defenseless player; first specialist George Burman; Patrick Mannelly Award honors the best college snapper.
Long Song Xing
Long Song Xing (长歌行) is a Han-dynasty yuefu folk poem urging readers to strive in youth, known for its closing maxim about grieving in old age.
Long Spruce hydroelectric plant
Long Spruce Generating Station is a run-of-river hydroelectric plant on the lower Nelson River in northern Manitoba, Manitoba Hydro's fourth station on the river, opened in 1977.
Long Story Short (TV series)
Long Story Short is a 2025 Netflix adult animated comedy by BoJack Horseman creator Raphael Bob-Waksberg about the Jewish Schwooper family across decades, told non-chronologically; renewed for a 2026 second season and WGA Award winner.