Fact-checked by Grok 2 weeks ago

Juno

Juno is a solar-powered spacecraft launched by NASA on August 5, 2011, as part of the agency's New Frontiers program to investigate the origin, interior structure, atmosphere, and magnetosphere of the planet Jupiter. The probe, built by Lockheed Martin and operated by NASA's Jet Propulsion Laboratory, achieved Jupiter orbit on July 4, 2016, via a highly elliptical polar trajectory that enables close flybys of the planet's poles and cloud tops. The 's primary objectives include mapping Jupiter's gravitational and to infer its composition and deep atmospheric dynamics, measuring water abundance and in the atmosphere to test theories of planetary formation, and characterizing the polar cyclones, auroras, and ring system. These investigations address fundamental questions about how gas giants like coalesced from the solar nebula, providing empirical constraints on solar system evolution models through direct measurements rather than simulations alone. Juno has yielded significant , including evidence of a diluted and asymmetric , revelations about ammonia-rich and ammonia "rain" replenishing upper atmospheric layers, and high-resolution imagery of turbulent polar vortices and moon-induced auroras, with the extended through at least September 2025 incorporating flybys of Jupiter's for contextual gravity . Despite radiation challenges necessitating hardware redundancies and orbit adjustments, the 's instruments—such as the and —have operated robustly, delivering peer-reviewed findings that refine understandings of planetary interiors without reliance on unverified assumptions.

Mythology and religion

Juno (Roman goddess)

Juno, or Iūno in Latin, served as the paramount female deity in the pantheon, functioning as the consort and sibling of , the supreme god. She governed domains including matrimony, the welfare of women, parturition, and the security of the Roman commonwealth, with her veneration underscoring the societal primacy of wedlock and familial order. Epithets such as Juno Lucina denoted her role in facilitating safe deliveries, while Juno connoted admonition and vigilance, as evidenced by her temple's on the in 344 BCE by , vowed amid perils from Gallic incursions. In Roman mythology, Juno featured prominently in narratives paralleling Greek lore, notably opposing the Trojan progenitor Aeneas in Virgil's Aeneid, composed circa 29–19 BCE. Her antagonism stemmed from the Judgment of Paris, wherein the Trojan prince slighted her in favor of Venus, and from her patronage of Carthage, fated to clash with emerging Rome; she incited tempests and alliances to thwart Aeneas's destiny, yet ultimately reconciled, symbolizing divine sanction for Roman hegemony. This portrayal, drawn from Virgil's epic, reflects causal tensions between personal divine grudges and inexorable fate, privileging Rome's teleological ascent over individual deities' preferences. Worship of Juno manifested through dedicated festivals reinforcing her societal functions. The Matronalia, observed on March 1, honored her as protectress of matrons, involving sacrifices, feasting, and husbands gifting attire to wives, thereby affirming patriarchal family structures and maternal roles. Complementarily, the Nonae Caprotinae on July 7 invoked for female slaves, with rituals beneath wild fig trees (caprificus) reenacting a ruse that averted Latin defeat circa 360 BCE, highlighting her auspices in collective female agency during crises. These observances, rooted in historical lore, integrated Juno's into civic life, influencing legal norms on conjugal fidelity and inheritance through her oversight of legitimate unions.

Astronomy

3 Juno (asteroid)

3 Juno, minor-planet designation (3) Juno, is a large main-belt discovered on September 1, 1804, by German astronomer Karl Ludwig Harding at Lilienthal Observatory using a 5-centimeter . As the third identified after 1 Ceres and , it was named for the Roman goddess Juno, reflecting its prominence among early discoveries. With an estimated mean diameter of 247 km, it ranks among the largest asteroids and constitutes about 1% of the main belt's total mass. Juno orbits the Sun at a semi-major axis of 2.67 AU, with an eccentricity of 0.256 and inclination of 13° relative to the ecliptic, completing one revolution every 4.36 years. Its S-type spectral classification indicates a composition dominated by silicates and metals, consistent with ordinary chondritic meteorites. Lightcurve observations reveal an irregular shape and a rotation period of approximately 7.2 hours, while thermal infrared data from facilities like ALMA have mapped surface features, including potential impact scars. As one of the largest S-type asteroids, Juno provides key data on the and collisional evolution of the inner main belt through spectroscopic analysis of its surface minerals. Dynamical models suggest it may be the parent body for H-chondrite meteorites, supported by spectral matches and orbital simulations of family-forming impacts. These properties inform models of early solar system formation, highlighting the role of large protoplanetary remnants in retaining primitive materials.

Space exploration

Juno spacecraft (NASA mission)

The Juno spacecraft, developed by NASA in collaboration with Lockheed Martin, principal investigator institutions, and international partners, launched on August 5, 2011, aboard an Atlas V-551 rocket from Cape Canaveral Air Force Station, Florida, initiating a 1.74 billion-mile trajectory to Jupiter that incorporated gravity assists from Earth. Arriving on July 4, 2016, following a 35-minute orbit insertion burn, the probe entered a highly elliptical polar orbit with a 53-day period, designed to enable close equatorial passes over Jupiter's cloud tops—approaching within 2,600 miles (4,200 km)—while minimizing radiation exposure through paths that largely avoid the planet's hazardous belts. As a solar-powered spacecraft, Juno relies on three large solar arrays spanning 29 feet (8.9 meters) each, generating up to 500 watts at Jupiter's distance from the Sun, sufficient for its spinning design that stabilizes instruments via rotation at 2 RPM. Juno's core scientific objectives center on elucidating Jupiter's formation and through empirical measurements of its atmospheric , interior , , and magnetic environment, providing data to test models of accretion from the solar nebula without reliance on unverified analogies. Key instruments include the dual (MAG) suite for mapping variations to infer core dynamics and three-dimensional current systems; the (MWR) for probing deep atmospheric layers up to 350 miles (560 km) below cloud tops to quantify , , and profiles; JunoCam for visible-light imaging of atmospheric features; and supporting tools like the Gravity Science experiment using radio signals for mass distribution analysis. These enable investigations into whether Jupiter possesses a dilute rocky core, the origins of its intense generated by layers, and zonal wind patterns driven by internal heat fluxes exceeding solar input by 1.6 times. Mission data have yielded precise empirical insights, including an atmospheric abundance of about 0.25% by molecular fraction at the —roughly three times the Sun's solar value—indicating heterogeneous enrichment during formation rather than uniform mixing. Polar observations revealed stable clusters: eight massive storms arranged in an at the and five in a at the south, with winds exceeding 100 mph (160 km/h) and interactions powered by shallow rather than deep . Auroral studies identified electron beams accelerated by high-voltage discharges up to 400 kV, distinct from Earth's magnetosphere-driven processes and linked to reconnections. Gravitational mappings suggest a fuzzy, non-solid core comprising 5-15% of Jupiter's radius, challenging monolithic core-collapse theories and supporting gradual pebble accretion mechanisms. Originally slated for deorbit into Jupiter's atmosphere in July 2021 to preclude microbial contamination of moons like , the mission received extensions in 2018 and 2021 owing to thruster efficiency and untapped science potential, pushing operations through September 2025 with 78 orbits completed by mid-2025. As of October 2025, from residual drag and fuel depletion has progressed, prompting controlled deorbit maneuvers to ensure destructive reentry within Jupiter's dense atmosphere, safeguarding potential zones on icy satellites while maximizing final data returns on magnetospheric dynamics and volcanic moon interactions.

Military history

Juno Beach (World War II)

, an 8-kilometer stretch of coastline between Courseulles-sur-Mer and Saint-Aubin-sur-Mer in , , was assaulted on June 6, 1944, by the Canadian 3rd Infantry Division and 2nd Armoured Brigade as part of , the Allied invasion to liberate from German occupation. The primary objectives were to secure positions by neutralizing fortified defenses, capture key coastal towns including Courseulles-sur-Mer, Bernières-sur-Mer, and Saint-Aubin-sur-Mer, and advance inland approximately 18 kilometers to seize Carpiquet Airport while approaching the strategic hub of to sever German rail links. These goals aimed to link with British forces landing on the adjacent and beaches, establishing a cohesive eastern flank for the Normandy lodgment. German defenses, manned by the understrength 716th Static Infantry Division, featured extensive fortifications such as concrete bunkers, trenches, pillboxes, minefields, and artillery positions armed with 75 mm and 88 mm guns, which inflicted heavy fire on approaching . Rough seas and tidal delays scattered the initial waves, yet coordinated naval bombardment, air support, and amphibious assaults enabled Canadian troops—transported by vessels—to breach the seawall and silence several gun emplacements through close-quarters infantry-armor cooperation. This combined-arms approach overcame obstacles like anti-tank ditches and , allowing the division to clear the beach exits despite intense machine-gun and mortar fire. By day's end, Canadian forces had advanced the farthest inland of any Allied contingent, penetrating up to 9 kilometers to secure villages such as Creully, Colomby-sur-Thaon, and Anisy, though falling short of Carpiquet due to counterattacks from elements of the 21st Panzer Division. The rapid push disrupted coordinated German reinforcements by fragmenting defensive lines and forcing ad hoc responses, preventing a unified counteroffensive that could have exploited gaps between Allied beachheads. Casualties were severe, with the 3rd Division suffering 340 killed and 574 wounded, contributing to over 1,000 total Canadian losses on Juno amid the broader D-Day toll. In subsequent days, Juno forces consolidated the , linking solidly with units to form a continuous and enabling follow-on reinforcements that pressured reserves eastward. This positioning facilitated the broader campaign's momentum, as Canadian advances tied down panzer elements and supported the eventual encirclement of German Army Group B in the by August 1944, where empirical records document the trapping and destruction of over 50,000 enemy troops and significant materiel, hastening the .

Arts and entertainment

Films

Juno and the Paycock (1930) is a directed by , adapting Seán O'Casey's 1924 play of the same name set amid the . Produced by British International Pictures, it stars as Jack Boyle, as Juno Boyle, and Edward Chapman, with a runtime of 95 minutes; the film premiered in on February 23, 1930. Jenny, Juno (2005) is a n coming-of-age comedy-drama directed by Kim Yoo-jin, produced by Sidus F&H and distributed by , featuring young leads as Jenny and in supporting roles. With a runtime of 105 minutes, it was released in on October 7, 2005. Storming Juno (2010) is a Canadian television film directed by , reenacting the D-Day assault on during , produced by the with a runtime of 88 minutes. It incorporates historical interviews and footage, premiering on June 6, 2010.

Juno (2007 film)

Juno is a 2007 American coming-of-age comedy-drama film directed by from a screenplay by . The story centers on Juno MacGuff, a 16-year-old high school student played by , who faces an unplanned after a brief sexual encounter with her friend Paulie Bleeker (). Opting against after a visit to a , Juno arranges an with a seemingly ideal couple, Vanessa () and Mark Loring (), while navigating family support and personal growth amid hormonal and relational challenges. Supporting roles include as Juno's father and as her stepmother, emphasizing unconventional family dynamics. Principal photography occurred primarily in Vancouver, British Columbia, Canada, from May to July 2007, utilizing locations such as Coquitlam Centre Mall for school scenes and private residences in Surrey and Dunbar neighborhoods to depict suburban Minnesota settings. Produced on a modest budget of $7.5 million by Fox Searchlight Pictures, the film originated as an independent project, with Reitman acquiring rights to Cody's spec script for $1 million after its Black List recognition. Released in limited theaters on December 5, 2007, before expanding widely on December 25, it achieved commercial success, grossing $143.5 million in the United States and $232 million worldwide. Critically acclaimed, Juno holds a 93% approval on based on 213 reviews, with consensus praising its sharp dialogue, Page's performance, and honest portrayal of adolescent decision-making. It earned an average score of 81/100 on , reflecting strong praise for its wit and avoidance of sentimentality, though some critiques noted stylistic quirks or perceived pro-life undertones. At the , the film secured the Best Original Screenplay for Cody on February 24, 2008, alongside nominations for Best Picture, Best Director, and for Page. Additional honors included a Golden Globe nomination for Best Motion Picture – Musical or Comedy and a BAFTA win for Best Original Screenplay. The film's depiction of teen pregnancy resolution through sparked discourse on alternatives to , portraying the process as viable without idealizing it; empirical data indicates that open adoptions correlate with higher satisfaction rates for birth mothers (around 90% in longitudinal studies) and fewer adjustment issues for children compared to closed adoptions. This narrative choice, drawn from Cody's personal reflections on unplanned pregnancy, contrasted with prevailing media emphases on termination, prompting debates on realistic outcomes amid declining U.S. teen birth rates (from 41.7 per 1,000 in 2007 to 17.4 by 2021). While some academic analyses critiqued it for potentially romanticizing crisis pregnancy, its indie-to-mainstream trajectory underscored cultural appetite for nuanced explorations of family formation beyond normative expectations.

Music

, a collective founded in 1993 by Ben Watkins, blends , , orchestral, and elements, releasing nine studio albums including Transmissions (1993) and The Golden Sun of the Great East (2013). The group has contributed scores to films such as (2003) and video games, emphasizing cinematic soundscapes. An American indie rock band named Juno, formed in 1995 in , produced albums like Four (1999) and This Is the Way It Goes and Goes (2001), characterized by , , and noisy guitar textures before disbanding around 2003. Other ensembles include the Norwegian pop-jazz group JUNO, comprising five musicians from the Jazz Academy in , known for intricate arrangements since their formation. Songs titled "Juno" appear across genres and eras, including Cavetown's 2022 track exploring personal themes and earlier works by (1980s ) and Danny Brown (eccentric rap). Recent pop examples, such as Sabrina Carpenter's 2024 single from Short n' Sweet, draw on relational narratives (detailed in subsection). Albums explicitly titled Juno are rarer but include the self-titled debut by the indie band Juno (1995) and soundtrack compilations tied to the 2007 film, featuring folk-indie tracks by artists like Barry Louis Polisar. These uses of "Juno" in music nomenclature often evoke mythological connotations or cultural references without a singular dominant trend beyond sporadic adoption in and scenes.

Juno (Sabrina Carpenter song)

"Juno" is a song by American singer-songwriter , serving as the tenth track on her sixth studio album, Short n' Sweet, released on August 23, 2024, by . The track was written by Carpenter, , and John Ryan, with Ryan handling production. Clocking in at 3:43, it exemplifies Carpenter's pop style, characterized by upbeat instrumentation and synth-driven melodies. Lyrically, "Juno" explores themes of intense romantic devotion and physical desire, with the chorus line "I might let you make me Juno" alluding to the goddess Juno, the deity of , women, and , implying a willingness to conceive as an ultimate expression of commitment. This reference draws from , where Juno (equivalent to Greek ) symbolizes matrimonial bonds and motherhood, though the song frames it in a contemporary, playful context of passion rather than solemn . The avoid explicit narrative but convey vulnerability in through vivid, sensory imagery, such as pleas for dominance and union. Commercially, "Juno" debuted at number 22 on the US chart dated September 7, 2024, marking its peak position amid the album's strong debut where all 12 tracks charted. It has sustained presence on the chart, re-entering at number 100 as late as 2025, reflecting ongoing streaming momentum. By early 2025, the song accumulated over 536 million streams on , contributing to Short n' Sweet's broader success, including platinum certification in the UK where "Juno" accounted for 193,558 units in combined and streams. In December 2024, it was issued as the album's fifth single to radio in .

Other music uses

Juno Reactor is a British electronic music project formed in 1990 by Ben Watkins and Stephen Holweck as an experimental ambient endeavor, later evolving into and psytrance styles blending orchestral and global elements. The group's debut single "Laughing Gas" appeared in 1993, followed by their first album Transmissions that same year, establishing their reputation for high-energy live performances incorporating and tribal . Subsequent releases include Beyond the Infinite (), featuring tracks like "High Energy Protons" that influenced the genre's development. Juno was an American band from , formed in 1995 and known for their dense three-guitar arrangements and slow-building, epic song structures. The band released two studio albums: A Future Lived in Past Tense in 1999 and in 2001, before disbanding in 2003 amid label changes and internal shifts. composed the Juno Concerto for banjo and orchestra around 2015, naming it after his son and premiering it with the Colorado Symphony in 2016; the three-movement work integrates roots with symphonic forms, recorded for release that year.

Business and commerce

Juno (internet service provider)

Juno Online Services, operating as Juno, is a United States-based specializing in dial-up and DSL access targeted at budget-conscious users across . Founded in May 1995 with initial financial backing from investor David Shaw, a former professor, the company began as a service before pivoting to broader connectivity amid the mid-1990s dial-up boom. This model emphasized affordability, distinguishing Juno from higher-priced competitors like America Online by offering ad-supported tiers alongside paid options, which appealed to users in the pre- era when dial-up dominated household adoption. Core offerings include free ad-supported dial-up limited to 10 hours monthly, unlimited paid dial-up plans, accelerated "Turbo" dial-up for purportedly faster effective speeds via compression, and DSL services where available. Juno's email infrastructure, branded as JUNO webmail, supports basic free access with premium upgrades like MegaMail providing up to 5 GB storage, mail forwarding, and larger attachment limits for annual fees starting at $29.95. These features catered to low-bandwidth needs such as web browsing, instant messaging, and email, positioning Juno as a value-oriented alternative in a market transitioning from free trials to sustained subscriptions. In September 2001, Juno merged with rival to create United Online, solidifying its role in the "value segment" of and establishing United Online as the parent entity, later acquired by B. Riley Financial. Pre-merger, Juno ranked as the third-largest U.S. ISP by subscriber base, reflecting its success in capturing through aggressive pricing and free entry points during the late dial-up proliferation, before technologies like cable and fiber eroded demand for such services. Despite declines in dial-up usage, Juno persists by serving niche rural or legacy users lacking high-speed alternatives.

Juno (finance company)

Juno is a financial platform specializing in student loans, , and related services, employing a model to negotiate discounted rates from lenders on behalf of groups of borrowers. Founded by students Chris Abkarians and Nikhil Agarwal to combat high student borrowing costs, the company originally operated as LeverEdge before rebranding to Juno in 2020 for better name recognition while retaining its core group-negotiation approach. The platform aggregates sign-ups from students—requiring no upfront fees or credit checks to join—and pits lenders against each other to secure competitive offers tailored to participants' credit profiles. The service covers undergraduate, graduate, MBA, parent, and JD loans, with a particular emphasis on options for international students, including private loans without U.S. cosigners in some cases and negotiated international student health insurance. Juno also facilitates and , claiming to deliver rate discounts, incentives—such as up to $1,000 for refinancers—and rate-matching guarantees where it beats competitors' offers and adds 3% of the loan amount as . These benefits stem from the platform's leverage of group volume, with over 26,000 students negotiating approximately $607 million in loans as of recent campaigns. In addition to loans, Juno offers scholarship matching and resources targeted at high-debt fields like and , partnering with entities such as White Coat Investor to extend negotiated refinancing perks to professionals. The model has secured seed funding of $2.5 million to expand its bargaining platform, though actual savings vary by individual qualifications and market conditions, with variable rates historically starting as low as 1.89% APR for qualified borrowers. Juno's approach contrasts with direct lender applications by emphasizing volume-based discounts over individualized underwriting alone.

Juno (lighting brand)

Juno is an American brand of lighting fixtures specializing in recessed, track, and undercabinet products for residential, commercial, and retail applications. Founded in 1976, it has emphasized high-quality, energy-efficient solutions, including LED technologies, with a commitment to sustainability and design flexibility. In October 2015, Acuity Brands acquired Juno Lighting Group for $385 million, integrating its portfolio of downlighting, track lighting, and related brands such as Indy, AccuLite, and Aculux into Acuity's broader offerings. This acquisition enhanced Acuity's capabilities in value-oriented, performance-driven fixtures distributed across North America. Key product lines include 4-inch and 6-inch recessed LED downlights, such as switchable-color-temperature models (e.g., WF4/WF6 series), canless recessed options for tight spaces, and modular track systems with integral drivers for versatile environments. Innovations like floating feed connectors and Quick Jack mounting systems facilitate easier wiring and installation, supporting applications in sloped ceilings, wall washes, and retrofit upgrades. These features prioritize efficiency, with LED fixtures delivering long-life performance while meeting commercial standards for lumens output and energy savings.

People

Juno as a given name

Juno is a feminine of Latin origin, derived from the name of the Roman goddess Juno, queen of the gods and protector of and , with etymological ties possibly to an Indo-European root meaning "young" or "youthful." The name has ancient roots but remained uncommon until modern revival, often evoking mythological strength and brevity. In the United States, Juno's usage as a girl's name has risen steadily since the early , entering the top 1200 names by 2023 with about 170 female births that year, alongside nearly 50 male uses, marking it as increasingly unisex though predominantly feminine. data show annual female usages of 126 in 2021, 109 in 2020, and 104 in 2019, reflecting a trend toward mythological and celestial-inspired names. Notable individuals include English actress (born July 21, 1989), recognized for portraying Keeley Jones in the Apple TV+ series (2020–2023), which earned her Emmy and Golden Globe nominations, as well as roles in films like (2007) and [The Dark Knight Rises](/page/The Dark Knight Rises) (2012). Temple's name honors a rock formation in the Grand Canyon visited by her parents during her mother's pregnancy. Hong Kong singer and actor (born March 18, 1982) has released multiple albums and appeared in films such as (2005).

Juno as a surname

The surname Juno is uncommon globally, with approximately 2,157 recorded incidences, ranking it the 190,963rd most prevalent surname worldwide. It is most frequent in (634 bearers), followed by (378) and the (235), reflecting concentrations in and where over 52% of occurrences are found. In the United States, the name appears in historical records from 1840 onward, with the highest concentration in 1880, though it remains rare today, ranking around 50,564th in frequency among approximately 86% White bearers. Etymologically, Juno often represents an Americanized variant of the Italian surname Giugno, denoting the month of . Alternative origins include derivations from the surnames Juneau or Junot, the latter implying "young" as a form. These roots suggest influences from Romance-language regions, with migrations contributing to its sporadic appearance in English-speaking countries. Notable individuals bearing the surname Juno include K. Juno, a singer-songwriter active since the early 2000s, known for her high-pitched vocal style and English-language compositions, including lyrics for the anime film Voices of a Distant Star (2002). Her work blends rock influences reminiscent of 1970s and 1980s Western artists, and she performs primarily in English while also incorporating and elements. Beyond this figure, the surname lacks widely prominent historical or contemporary bearers in .

Places

In the United States

Juno Beach is a coastal town in Palm Beach County, Florida, situated along the Atlantic Ocean between Jupiter and Palm Beach Gardens. Incorporated on June 4, 1953, the town initially had about 130 year-round residents and 1,500 seasonal inhabitants, developing from the earlier settlement known as Juno, which served as a late 19th-century transportation hub linking northern Florida via the Indian River and Jupiter Inlet. The area features pristine beaches, a municipal pier extending 990 feet into the ocean, and habitats supporting marine life including sea turtles and fish species, with zoning emphasizing low-density residential and commercial development to preserve natural coastal features. As of the 2020 U.S. Census, the population was 3,858, with a median age of approximately 70 and a focus on affluent retirement communities. The original Juno, , was an unincorporated settlement in what is now northern Palm Beach County, established by at least 1889 as part of Dade County's expansive territory before county boundaries shifted. It functioned primarily as a landing point for steamships and early rail connections, fading after the decline of traffic in the early , with its legacy absorbed into modern . Other minor U.S. locales named Juno include an unincorporated community in , located along State Route 183 northwest of Dawsonville, and the ghost town of Juno in , near Farm Road 189 and the Devils River, which emerged in the late amid ranching and railroad activity but depopulated by the mid-20th century. These sites lack significant current population or infrastructure, contrasting with Juno Beach's established municipal status.

Elsewhere

Juno Beach is a coastal stretch in the Calvados department of Normandy, France, extending approximately 8 kilometers from Courseulles-sur-Mer eastward to Bernières-sur-Mer and westward toward Saint-Aubin-sur-Mer, with central coordinates at 49°20′11″N 0°27′42″W. The area functions as a key tourist site along the Normandy shoreline, featuring sandy beaches suitable for walks and scenic views of the English Channel. The Juno Beach Centre, situated at the eastern end near Courseulles-sur-Mer, operates as a and cultural facility that opened in , attracting over 200,000 visitors annually for its interpretive exhibits on regional history and Canadian heritage. Visitors can explore outdoor paths, bunkers integrated into the landscape, and memorial installations, with the site emphasizing educational programming and guided tours focused on the area's cultural and natural features. The centre includes Juno Park, a landscaped area with native and interpretive signage, enhancing its appeal as a destination for reflection and leisure. In , Juno refers to a minor locality in the , , though specific coordinates and contemporary significance remain limited in public records. , a cluster of nunataks in the Dyer Plateau of Palmer Land, , represent exposed rock features amid ice fields, designated through international Antarctic naming conventions.

Other uses

Transportation

Several vessels of the Royal Navy have been named HMS Juno.
  • HMS Juno (F46), a J-class ordered on 25 March 1937 under the 1936 Build Programme, laid down on 5 1937 at Fairfield Shipbuilding in , , served in convoys and operations in the Mediterranean, and was sunk by bombers on 27 May 1941 approximately 30 nautical miles southeast of .
  • HMS Juno, an Eclipse-class of 5,600 tons with 9,600 horsepower and a top speed of 19 knots, launched at in 1895, commissioned on 16 June 1897, served as of Cruiser Force E in 1915, and was sold for breaking up on 24 September 1920.
  • HMS Juno (F52), a , took part in a search operation for a missing German freighter off in 1974.
The Juno HT1 is a light training helicopter manufactured by for the United Kingdom's tri-service rotary-wing training program under the . It was selected in , with the first delivery to in April 2017, cleared for training flights in May 2018, and features 29 units equipped with Helionix avionics, multi-function touch-screen displays, night-vision compatibility, and capabilities for low-level tactical flying and underslung loads. Juno operated as a ride-hailing service in from its founding in 2015 until shutting down operations on 18 November 2019, after acquisition by for $200 million in 2017.

Fictional characters and miscellaneous

Juno MacGuff is the protagonist of the 2007 American coming-of-age comedy-drama film Juno, directed by and written by ; portrayed by , she is depicted as a sarcastic 16-year-old high school student in who faces an unplanned pregnancy and navigates arrangements. In the Star Wars: The Force Unleashed video game (2008), developed by LucasArts, Juno Eclipse is a human female Imperial flight officer and skilled pilot who defects to the , voiced by and central to the storyline involving apprentice . Juno Teo Minh appears as a support hero in , introduced by in August 2024 as part of Season 12; the first human born on Mars during Lucheng Interstellar's terraforming project, she travels to Earth equipped with a Mediblaster for healing, Pulsar Torpedoes, and a gliding mobility ability called Glide Boost. In the Japanese and series by , Juno is a gray wolf student at Cherryton Academy, a member of the drama club on the actor team, characterized as affable yet ambitious in her pursuit to become the next Beastar.