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Juno

All articles tagged with #juno

Human Error Grounds NASA’s Deep Space Antenna, $4M-plus Repair Bill
space24 days ago

Human Error Grounds NASA’s Deep Space Antenna, $4M-plus Repair Bill

NASA’s Deep Space Network suffered a major mishap at DSS-14 when an electrical fault misreported rotation caused over-rotation and damage to cabling, hydraulics, and the fire-suppress system; operators troubleshooting the limit stops bypassed safeguards, and an undocumented failure plus an inoperable hydraulic limit system amplified the damage. Repairs are estimated at $4.1–$4.6 million and could stretch to October 2028. NASA says it will tighten procedures, training, and in-house capabilities across all DSN sites to prevent a repeat.

via Gizmodo|
#deep-space-network#dsn#investigation
JUNO Unveils Early Clues in the Neutrino Flavor Mystery
science29 days ago

JUNO Unveils Early Clues in the Neutrino Flavor Mystery

JUNO, a 20-ktonne underground detector in China, released two months of data showing precise measurements of how neutrinos change flavor and offering clues about their masses; the detector observes electron antineutrinos from nearby reactors via inverse beta decay and aims to resolve the neutrino-mass hierarchy, with cross-checks expected from Hyper-Kamiokande and DUNE in the coming decade; findings published in Nature.

via ScienceAlert|
#antineutrinos#juno#neutrino-flavors
JUNO sharpens neutrino-oscillation picture, edging toward mass hierarchy
physics1 month ago

JUNO sharpens neutrino-oscillation picture, edging toward mass hierarchy

With about two months of data, the Jiangmen Underground Neutrino Observatory (JUNO) measured two key reactor-neutrino oscillation parameters with 1.6× better precision than decades of previous experiments. The results, published in Nature, advance the effort to determine the neutrino mass ordering and shed light on the origin of neutrino masses, using a 20,000‑ton scintillator detector instrumented with 43,000 photomultiplier tubes observing reactor antineutrinos ~53 km away.

via Nature|
#juno#neutrino-mass#neutrino-oscillation
First JUNO Data Pinpoints Neutrino Oscillation Parameters with High Precision
science1 month ago

First JUNO Data Pinpoints Neutrino Oscillation Parameters with High Precision

JUNO's first 59.1 days of data from a 20-kton detector at 52.5 km from reactors yield a simultaneous, high-precision measurement of sin^2θ12 = 0.3092 ± 0.0087 and Δm21^2 = (7.50 ± 0.12)×10^-5 eV^2 for the normal mass ordering, improving precision by a factor of 1.6 over previous measurements and validating JUNO's design and energy calibration while showing readiness to determine the neutrino mass hierarchy with more data.

via Nature|
#delta-m212#juno#mass-ordering
Juno captures close-up of Jupiter's inner moon Thebe
space2 months ago

Juno captures close-up of Jupiter's inner moon Thebe

NASA's Juno spacecraft captured a rare close-up view of Jupiter's inner moon Thebe during a May 1, 2026 flyby, about 3,100 miles away, using its Stellar Reference Unit camera, which wasn't designed for close-up moon imaging; Thebe—discovered by Voyager 1 in 1980—is Jupiter's second-largest inner moon and remains a focus during Juno's extended mission.

via Space|
#juno#jupiter#nasa
Jupiter’s Stealth Storms Reveal Lightning Up to 100× Earth Power
space2 months ago

Jupiter’s Stealth Storms Reveal Lightning Up to 100× Earth Power

Using NASA’s Juno data and Hubble imagery, scientists find Jupiter’s storms unleash lightning far stronger than Earth’s—some flashes may reach 100× Earth’s power, with total energy hundreds to thousands of times greater. By tracking isolated 2021–22 “stealth” storms, researchers correlated microwave signals with specific events in 100+ km‑tall clouds, though exact energies depend on wavelength and storm dynamics. The study, published in AGU Advances (2026), highlights differences in Jupiter’s hydrogen‑rich atmosphere and ammonia‑water ice (potential “mushball” hail) physics, while leaving many details of the mechanism unresolved.

via SciTechDaily|
#astronomy#juno#jupiter
Jupiter’s Lightning Outmatches Earth, Fueled by Deep Hydrogen Storms
science2 months ago

Jupiter’s Lightning Outmatches Earth, Fueled by Deep Hydrogen Storms

New AGU Advances research using Juno data directly estimates the power of Jupiter’s lightning and finds its storms unleash far more energetic discharges than on Earth, likely due to Jupiter’s tall, hydrogen-rich atmosphere and deep moist convection that store energy before release, revealing different lightning physics and making Jupiter a natural laboratory for extreme weather.

via The Daily Galaxy|
#agu-advances#atmosphere#juno
Jupiter’s Lightning: Up to a Million Times More Powerful Than Earth’s
astronomy3 months ago

Jupiter’s Lightning: Up to a Million Times More Powerful Than Earth’s

New NASA Juno data suggest Jupiter’s lightning could be up to a million times more powerful than Earth’s, inferred from radio-emission measurements. The study highlights how Jupiter’s hydrogen-rich atmosphere and towering, long-lasting storms—including months-long 'stealth' storms—may amplify lightning energy, offering new insights into the gas giant’s weather and atmospheric dynamics.

via The Daily Galaxy|
#astronomy#atmosphere#juno
Jupiter’s lightning could be up to a million times stronger than Earth’s bolts
space3 months ago

Jupiter’s lightning could be up to a million times stronger than Earth’s bolts

A study using NASA’s Juno data suggests Jupiter’s lightning may be enormously more powerful than Earth’s—potentially up to a million times stronger. By analyzing the planet’s radio emissions rather than optical flashes and focusing on long-lived “stealth” storms in Jupiter’s belts, researchers estimated lightning pulses with power ranging from Earth-like bolts to far more powerful discharges. The findings, which consider Jupiter’s hydrogen-dominated atmosphere and towering storm clouds (up to ~62 miles tall), aim to explain why Jovian lightning is so energetic and were published in AGU Advances.

via Space|
#agu-advances#juno#jupiter
Overwatch faces backlash as Anran’s look echoes Kiriko and Juno
technology5 months ago

Overwatch faces backlash as Anran’s look echoes Kiriko and Juno

Overwatch’s new character Anran is sparking controversy online, with fans arguing her facial design closely resembles existing heroes Kiriko and Juno, fueling a broader “same-face syndrome” critique of the game’s character art. The debate covers whether Anran is a new character or simply a cosmetic skin, highlights ongoing discussions about uniform aesthetics in the franchise, and notes potential cultural and stylistic pressures influencing female character designs.

via Creative Bloq|
#anran#juno#kiriko