Tag Archive for 'Io'

A massive hotspot can be seen just to the right of Io’s south pole in this image taken by the JIRAM infrared imager aboard NASA’s Juno on December 27, 2024, during the spacecraft’s flyby of the Jovian moon. Image credit: NASA / JPL-Caltech / SwRI / ASI / INAF / JIRAM.

Juno Detects Massive Volcanic Hotspot near Io’s South Pole

Jan 29, 2025 by News Staff

The newly-discovered volcanic hotspot is larger than Earth’s Lake Superior, and belches out eruptions six times the total energy of all the world’s...

The internal structure of Io as revealed by the present study. Image credit: Sofia Shen / NASA / JPL / Caltech.

Jupiter’s Moon Io Does Not Have Subsurface Magma Ocean, Study Suggests

Dec 13, 2024 by News Staff

Volcanic activity on Io — the innermost Galilean moon of Jupiter and the most volcanically active body in the Solar System — is unlikely to...

The surface of Europa looms large in this newly-reprocessed color view; image scale is 1.6 km per pixel; north on Europa is at right. Image credit: NASA / JPL-Caltech / SETI Institute.

Planetary Researchers Examine Tidal Effects on Interiors of Planets and Their Moons

Nov 7, 2024 by News Staff

A team of scientists from the Lunar and Planetary Laboratory at the University of Arizona, TU Delft, and Caltech has developed a new method to compute...

This image from NASA’s Galileo spacecraft shows a volcanic explosion on Io. Image credit: NASA / JPL / University of Arizon.

Planetary Scientists Create Global Map of Volcanic Hotspots on Io

Sep 20, 2024 by News Staff

Io is the most volcanically active body in the Solar System. Io’s volcanoes are powered by both the extreme tides from Jupiter and the gravitational...

A comparison of the JunoCam image from February 2024 with Galileo spacecraft imagery of the same area in November 1997 (grayscale insert) reveals a new volcanic feature on the surface of Io. Image credit: NASA / JPL-Caltech / SwRI / MSSS / Europlanet.

NASA’s Juno Orbiter Discovers New Volcano on Io

Sep 13, 2024 by News Staff

Using images from the JunoCam instrument aboard NASA’s Juno spacecraft, planetary scientists have spotted a fresh volcano with multiple lava flows and...

This graphic shows Juno’s model for radiation intensity at different points in the spacecraft’s orbit around Jupiter. Image credit: NASA / JPL-Caltech / DTU.

Planetary Reseachers Create 3D Radiation Map of Jovian System

Aug 27, 2024 by News Staff

Using data gathered by the Advanced Stellar Compass (ASC) and the Stellar Reference Unit (SRU) onboard NASA’s Juno orbiter, scientists have produced...

Juno Spots ‘Hot Rings’ on Jupiter’s Volcanic Moon Io

Jun 27, 2024 by News Staff

These bright (hot) ‘thermal rings’ are a common phenomenon, and they are indicative of active lava lakes, according to a new analysis of data from...

This image, taken by the SHARK-VIS camera on the Large Binocular Telescope on January 10, 2024, is the highest resolution image of Io ever obtained by an Earth-based telescope. The image combines three spectral bands -- infrared, red and green -- to highlight the reddish ring around the volcano Pele (below and to the right of the moon’s center) and the white ring around Pillan Patera, to the right of Pele. Image credit: INAF / Large Binocular Telescope Observatory / Georgia State University / SHARK-VIS@LBT / P.I.F. Pedichini / D. Hope / S. Jefferies / G. Li Causi.

Large Binocular Telescope Spots Volcanic Event on Jupiter’s Moon Io

Jun 3, 2024 by News Staff

Using the SHARK-VIS instrument on the Large Binocular Telescope on Mount Graham in Arizona, the United States, astronomers have captured the highest resolution...

This global view of Io was obtained in January 1999 by NASA’s Galileo spacecraft. Image credit: NASA / JPL / University of Arizona.

Study: Jupiter’s Moon Io Has Been Volcanically Active for All of Its History

Apr 24, 2024 by News Staff

Sulfur and chlorine isotopes in Io’s atmosphere indicate that it has been volcanically active for the entire 4.57 billion-year history of the Solar System. This...

The JunoCam instrument aboard NASA’s Juno spacecraft imaged Io, the most geologically active body in our Solar System, on February 3, 2024, from a distance of about 7,904 km (4,911 miles). Image credit: NASA / SwRI / MSSS.

NASA’s Juno Mission Provides Close-Ups of Intriguing Features on Io

Apr 19, 2024 by News Staff

In December 2023 and February 2024, NASA’s Juno spacecraft made extremely close flybys of Jupiter’s volcanic moon Io, getting within about 1,500 km...

NASA’s Juno Orbiter Captures Stunning Images of Jupiter’s Moon Io

Feb 9, 2024 by Natali Anderson

On February 3, 2024, NASA’s Juno spacecraft made a second close flyby of Io, the fifth of Jupiter’s moons and the third largest. Like the previous...

An artist’s impression of the surface of Jupiter’s icy moon Europa. Image credit: NASA / JPL-Caltech / SwRI.

Scientists Explain Why Jupiter’s and Saturn’s Icy Moons Have Extreme Radar Properties

Mar 23, 2023 by News Staff

The radar properties of icy satellites of Jupiter and Saturn commonly differ by more than an order of magnitude from those of rocky planets because of...

The volcano-laced surface of Jupiter’s moon Io was captured in infrared by the Jovian Infrared Auroral Mapper (JIRAM) imager aboard NASA’s Juno spacecraft as it flew by at a distance of was about 80,000 km (50,000 miles) on July 5, 2022. Brighter spots indicate higher temperatures in this image. Image credit: NASA / JPL-Caltech / SwRI / ASI / INAF / JIRAM.

Trace Gas Detection Sheds New Light on Atmospheres of Jupiter and Its Volcanic Moon Io

Dec 28, 2022 by Natali Anderson

Using data from NSF’s Karl G. Jansky Very Large Array (VLA), the Atacama Large Millimeter/submillimeter Array (ALMA) and NASA’s Juno spacecraft, two...

Deimos passing in front of Jupiter and its Galilean moons. Image credit: ESA / DLR / FU Berlin / K.-D. Matz.

Mars Express Observes Rare Celestial Alignments in Solar System

Oct 14, 2022 by News Staff

New videos captured by the High Resolution Stereo Camera (HRSC) on board ESA’s Mars Express orbiter show the rare moment of the Martian moon Deimos passing...

An artist’s rendering of Jupiter with rings that rival Saturn’s. Image credit: Stephen Kane / University of California, Riverside.

Study: Massive Galilean Moons Prevented Formation of Giant Ring System around Jupiter

Jul 21, 2022 by News Staff

Planetary rings are often speculated as being a relatively common attribute of giant planets, partly based on their prevalence within the Solar System....

Map of sulfur dioxide (a) band depth and (b) band area for all four Hubble visits. Image credit: NASA / JPL / Bjorn Jonsson / Becker et al., doi: 10.3847/PSJ/ac69eb.

Hubble Explores Surface of Europa in Mid-UV

Jun 22, 2022 by News Staff

The new mid-ultraviolet (UV) maps of Europa, created using data from the Space Telescope Imaging Spectrograph (STIS) instrument aboard the NASA/ESA Hubble...

Ridges of possible aeolian origin from the Galileo Solid State Imager. Image credit: McDonald et al., doi: 10.1038/s41467-022-29682-x.

Dune-Like Features Spotted on Jupiter’s Moon Io

Apr 19, 2022 by News Staff

Jupiter’s moon Io is the most volcanically active body in the Solar System, and the body that is known to be most rapidly resurfaced. Surface modification...

This Juno image shows Jupiter, Io and Europa (from left to right). Image credit: NASA / JPL-Caltech / SwRI / MSSS / Andrea Luck.

Juno Spots Jupiter and Two Jovian Moons

Mar 22, 2022 by News Staff

NASA’s Juno spacecraft has snapped a lovely photo of its target planet, Jupiter, and two Jovian moons: Io and Europa. This Juno image shows Jupiter,...

ALMA Detects Volcanic Gases in Atmosphere of Io

Apr 7, 2021 by Natali Anderson

Using data from the Atacama Large Millimeter/Submillimeter Array (ALMA), astronomers from India have detected acetone, disulfur monoxide, and carbon monoxide...

Composite image showing Io in radio (ALMA) and optical light (Voyager 1 and Galileo); the ALMA images show plumes of sulfur dioxide (in yellow); Jupiter is visible in the background (Hubble). Image credit: ALMA / ESO / NAOJ / NRAO / I. de Pater et al. / NRAO / AUI / NSF / S. Dagnello / NASA / ESA.

ALMA Spots Volcanic Plumes on Jupiter’s Moon Io

Oct 22, 2020 by News Staff

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have spotted airborne plumes of sulfur dioxide (SO2), sulfur monoxide (SO), and...