International Observatories Assemble To Solve “Energy Crisis” on Jupiter
Sitting more than five times the distance from the Sun as Earth, Jupiter is not expected to be particularly warm. Based on the amount of…
Juno
Jupiter’s Gigantic Super Polar Cyclones Are Here To Stay
Weizmann Institute scientists reveal how gigantic cyclones remain stable at both of Jupiter’s poles. Until recently, before NASA’s Juno space probe entered its orbit around…
NASA’s Juno Celebrates 10 Years With New Infrared View of Mammoth Jovian Moon Ganymede
The spacecraft used its infrared instrument during recent flybys of Jupiter’s mammoth moon to create this latest map, which comes out a decade after Juno’s…
10 Years Ago: NASA’s Juno Spacecraft Launched on Interplanetary Journey To Observe Jupiter
On August 5, 2011, NASA’s Juno spacecraft launched on a five-year interplanetary journey that took it to the giant planet Jupiter. NASA’s Jet Propulsion Laboratory…
Cause of Jupiter’s X-Ray Aurora Revealed – Mystery Has Puzzled Scientists for 40 Years
An international research team led by YAO Zhonghua from the Institute of Geology and Geophysics of the Chinese Academy of Sciences (IGGCAS) has explained the…
Hear the Eerie Radio Emissions NASA’s Juno Spacecraft Recorded From Jupiter and Its Moon Io
The Juno Waves instrument “listened” to the radio emissions from Jupiter’s immense magnetic field to find their precise locations. By listening to the rain of…
“Beautiful!” – Ride With NASA’s Juno Spacecraft As It Flies Past the Solar System’s Biggest Moon and Jupiter
The probe flew closer to Jupiter’s largest moon, Ganymede, than any other spacecraft in more than two decades, offering dramatic glimpses of both the icy…
40-Year Mystery Solved: Source of Jupiter’s Strange X-Ray Flares Uncovered
A puzzler about the gas giant’s intense northern and southern lights has been deciphered. Planetary astronomers combined measurements taken by NASA’s Juno spacecraft orbiting Jupiter,…
NASA’s Juno spacecraft Detects Jupiter’s Highest-Energy Ions
Trapped ions discovered at midlatitudes can have energies exceeding 100 megaelectron volts per nucleon. Their detection adds to our understanding of the powerful radiation environment…
Close Encounters of the Jovian Kind: NASA’s Juno to Get a Close Look at Jupiter’s Moon Ganymede
The first of the gas-giant orbiter’s back-to-back flybys will provide a close encounter with the massive moon after over 20 years. On Monday, June 7,…
“Clyde’s Spot” on Jupiter Has Morphed Into a Strange, Complex Structure
During its 33rd low pass over the cloud tops of Jupiter on April 15, 2021, NASA’s Juno spacecraft captured the intriguing evolution of a feature…
Jupiter’s Visible and Invisible Winds: Giant Planet’s Powerful Magnetic Field Changes Over Time
This image from NASA’s Juno mission captures the northern hemisphere of Jupiter around the region known as Jet N7. The planet’s strong winds create the…
Strange New Auroral Feature Discovered on Jupiter
UVS images faint auroral rings that likely originate at edge of gas giant’s magnetosphere. The SwRI-led Ultraviolet Spectrograph (UVS) orbiting Jupiter aboard NASA’s Juno spacecraft…
Jupiter’s Spectacular Ultraviolet “Dawn Storm” Auroras Are Surprisingly Earth-Like
A new study tracks the life cycle of the spectacular ultraviolet storms in the big planet’s aurora, generated by charged particles from its volcanic moon,…
Dark Origins of One of Jupiter’s Grand Light Shows Revealed by NASA’s Juno Spacecraft
The gas-giant orbiter is illuminating the provenance of Jovian polar light shows. New results from the Ultraviolet Spectrograph instrument on NASA’s Juno mission reveal for…
Serendipitous Juno Spacecraft Detections Shatter Ideas About Origin of Zodiacal Light
Data from the NASA spacecraft’s journey to Jupiter suggests that Mars may be shedding dust into interplanetary space. Look up to the night sky just…
Juno Spacecraft Spots a Bright Explosion in Jupiter’s Atmosphere
From aboard the Juno spacecraft, a Southwest Research Institute-led instrument observing auroras serendipitously spotted a bright flash above Jupiter’s clouds last spring. The Ultraviolet Spectrograph…
NASA’s Juno Mission Expands Into the Future – To Explore Jupiter and Its Rings and Moons
The spacecraft, which has been gathering data on the gas giant since July 2016, will become an explorer of the full Jovian system – Jupiter…