Tag

Io

All articles tagged with #io

Windrose Early Access pummels SSDs with extreme writes, patch tames the load
technology23 days ago

Windrose Early Access pummels SSDs with extreme writes, patch tames the load

Windrose, a piracy-themed RPG released on Steam Early Access, was found to cause extreme disk I/O that could wear SSDs due to RocksDB misconfiguration (three databases with a tiny cache and WAL budget), driving tens of thousands of writes per second. A housekeeping patch released by Kraken Express on April 30 dramatically reduced the write rate (roughly 90k–130k writes/sec pre-patch to about 20–60 writes/sec in heavy play), and players are urged to update to protect hardware.

JWST reveals Io’s cold footprint in Jupiter’s auroras
astronomy2 months ago

JWST reveals Io’s cold footprint in Jupiter’s auroras

NASA’s James Webb Space Telescope captured a surprising cold spot and unusually high ion density beneath Io’s auroral footprint on Jupiter, showing real-time interactions between the planet’s magnetic field and its Galilean moons. The cold patch (~265°C) and dense plasma arise from Io’s volcanic plumes feeding a surrounding plasma torus, altering the aurora as ions crash into Jupiter’s atmosphere. Scientists will pursue follow-up observations to determine how often these footprints occur, with the findings published in Geophysical Research Letters.

Juno Spots Io's Most Powerful Volcanic Eruption Yet
space3 months ago

Juno Spots Io's Most Powerful Volcanic Eruption Yet

NASA's Juno spacecraft captured what scientists describe as the solar system's most energetic eruption observed on Io, with multiple volcanoes lighting up simultaneously from a vast subterranean magma network. The Dec. 27, 2024 event, spotted by JIRAM during a flyby about 74,400 km above Io, released an estimated 140–260 terawatts of power and covered about 40,400 square miles (65,000 sq km). Io harbors around 400 active volcanoes driven by Jupiter's tidal forces. The synchronized eruption suggests interconnected magma reservoirs beneath Io's lava-encrusted surface, and future Io flybys will map new lava flows and ash deposits.

Io Unleashes Solar System’s Most Powerful Volcanic Outburst, NASA Finds
space3 months ago

Io Unleashes Solar System’s Most Powerful Volcanic Outburst, NASA Finds

NASA’s Juno spacecraft detected the solar system’s most energetic eruption on Io—a 40,000-square-mile hotspot in the moon’s southern hemisphere emitting well over 80 trillion watts from multiple simultaneous sources, suggesting a vast interconnected magma system; observed by JIRAM during the December 27, 2024 flyby with visible surface changes near Io’s south pole, and researchers plan a March 3 flyby recheck.

Webb Telescope Reveals Intense Volcanic Activity on Jupiter’s Moon Io
science6 months ago

Webb Telescope Reveals Intense Volcanic Activity on Jupiter’s Moon Io

Scientists using NASA's Juno data have found that Jupiter's moon Io is emitting hundreds of times more heat than previously estimated, mainly from localized volcanic sources, challenging the idea of a global magma ocean beneath its surface. This new understanding results from analyzing different infrared spectral data, revealing that Io's volcanoes have hot outer rings and cooler centers, which significantly increases the estimated heat flux. The findings suggest that previous models based solely on certain infrared bands may have underestimated Io's thermal output, but do not definitively rule out the existence of a magma ocean. Future missions may provide more detailed insights into Io's intense volcanism.

Juno Mission Reveals Source of Io's Volcanic Eruptions
science1 year ago

Juno Mission Reveals Source of Io's Volcanic Eruptions

NASA scientists have discovered that Io, Jupiter's most volcanically active moon, is fueled by individual magma chambers rather than a single massive magma ocean. This finding, based on data from the Juno spacecraft's close flybys, challenges previous assumptions about Io's volcanic activity and has implications for understanding other celestial bodies. The study highlights the role of tidal flexing, caused by Jupiter's gravitational pull, in generating heat and volcanic activity on Io.

Juno Mission Challenges Understanding of Io's Volcanic Activity
science1 year ago

Juno Mission Challenges Understanding of Io's Volcanic Activity

NASA's Juno mission has revealed that the volcanoes on Jupiter's moon Io are powered by individual magma chambers rather than a global magma ocean, solving a long-standing mystery about Io's volcanic activity. This discovery, based on data from Juno's close flybys, suggests that tidal flexing from Jupiter's gravitational pull generates internal heat, melting parts of Io's interior. The findings have broader implications for understanding other celestial bodies, including moons like Enceladus and Europa, as well as exoplanets.

Earth-Based Telescope Captures Stunning Images of Jupiter's Volcanic Moon Io
science-and-technology2 years ago

Earth-Based Telescope Captures Stunning Images of Jupiter's Volcanic Moon Io

An international team led by the University of Arizona has captured the highest-resolution images of Jupiter's moon Io ever taken from Earth using the Large Binocular Telescope's new SHARK-VIS instrument. These images, revealing surface features as small as 80 km, provide unprecedented detail of Io's volcanic activity, including a major resurfacing event around the volcano Pele. This achievement demonstrates the potential of ground-based telescopes to observe solar system bodies with clarity previously reserved for spacecraft.

Earth-Based Telescope Captures Stunning Images of Volcanic Moon Io
space2 years ago

Earth-Based Telescope Captures Stunning Images of Volcanic Moon Io

Scientists using the Large Binocular Telescope in Arizona have captured highly detailed images of Jupiter's volcanic moon Io, revealing intricate lava trails and surface changes. The new SHARK-VIS camera allows Earth-based telescopes to achieve a resolution previously possible only with spacecraft, highlighting features as small as 50 miles wide. The images show overlapping lava deposits from the active volcanoes Pele and Pillan Patera, providing insights into Io's volcanic activity and surface evolution.