Articles tagged with Jupiter
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Astronomers using the European Space Agency's XMM-Newton telescope discovered that Jupiter's x-ray glow is due to x-rays from the Sun being reflected back off the planet's atmosphere. The discovery synchronises Jupiter's day-to-day disk x-rays with the Sun's emissions, providing new insights into solar activity.
Scientists have long puzzled over the origin of chondrules, glassy particles found in meteorites that formed in the solar nebula. New calculations suggest that spiral arms in the disk surrounding Jupiter may have generated shock waves that melted dust clumps to form these particles.
An international team of astronomers using the VLT's NACO SDI camera discovered a faint companion to AB Dor A, a young star, which is 93 times more massive than Jupiter and twice as heavy as predicted. The object's mass was determined by observing its precise location and orbit around its host star.
Scientists used computer models to analyze the internal structures of Jupiter and Saturn, finding that heavy elements like iron are concentrated in Saturn's core. The research uses data from shock compression experiments and helps improve models of the planets' formation.
A team of astronomers using a novel camera will hunt for planets orbiting other stars, aiming to directly image faint gas-giants. The SDI camera has already made stunning images of Saturn's moon Titan and discovered an object near Jupiter in solar systems beyond our own.
Researchers have found stable alternating bands of current on Earth that resemble those on Jupiter, both resulting from underlying turbulent flows. This similarity may hold clues to understanding planetary and oceanic circulations, with implications for climate research and future space observational studies.
Researchers predict a 10-degree Celsius shift in Jupiter's average temperature as atmospheric whirlpools vanish, causing jet streams to become unstable. This will spawn new vortices and signal the end of Jupiter's current 70-year climate cycle.
Scientists studying lava lakes on Io believe they may be similar to mid-ocean ridges on Earth, generating new crust through volcanic activity. This similarity suggests that Io provides insight into Earth's primitive history.
New calculations suggest that recycling of material through small moons can lengthen the lifetime of rings and moons. This process, known as cosmic recycling, allows for the re-accretion of fragments into new moons, extending the persistence of ring systems.
Scientists now believe that small amounts of impurities, such as sodium chloride, are necessary to form the domes on Europa's surface. These compounds melt ice at low temperatures, allowing warmer blobs of ice to push through the icy shell and create the domes.
A UBC-led research team has confirmed the existence of the universe's oldest and farthest planet, a gas giant formed 13 billion years ago. The ancient world takes a century to complete each orbit and is unlikely to support life due to its metal-poor composition.
A team of British, Australian and American astronomers have discovered a planet similar to Jupiter in orbit around a nearby star, 3.3 times further from its star than Earth is from the Sun. The system's long-term precision allows for the detection of true analogues to our Solar System, advancing the search for systems like our own.
A scientist at Berkeley Lab has re-examined the 2002 experiment claiming to measure the speed of gravity and found that it was based on a flawed assumption. The correct formula yields effects significantly smaller than initially thought, making measurement with current technology impractical.
The cloud's mass indicates that Europa faces more severe radiation consequences than previously thought, wielding significant influence on Jupiter's magnetosphere. The discovery uses innovative ENA imaging technique to visualize the three-dimensional structure of planetary space environments.
Researchers confirm previous detection of chlorine in Io's plasma torus and model the breakdown of salt into sodium and chlorine atoms, providing insights into Io's volcanic activity and its potential meteoritic origins.
A new study suggests that Jupiter-like planets form quickly, within hundreds of years, rather than over millions. This contradicts the current standard model of planet formation, which proposes a longer time frame for gas giant planet formation.
The DARE concept uses balloons with a StratoSail device to control their path in strong atmospheric winds, enabling pole-to-pole exploration of Venus and Titan's atmospheres and targeted observations of Mars and Jupiter's Great Red Spot.
The discovery of a Jupiter-like planet and the smallest known planet outside the solar system offers hope for finding life beyond Earth. The newly found planet orbits 55 Cancri at nearly the same distance as Jupiter orbits our sun, making it a near analog to our own solar system.
Researchers used a powerful computing cluster to simulate moon motions over 1 billion years, discovering that the sun's gravity pulls smaller moons from their orbits. The study reveals how giant planets capture and shape the orbits of tiny moons, shedding light on Jupiter's unusual satellite system.
Scientists studying Jupiter's moons using laboratory simulations and spacecraft data reveal unique chemical reactions driven by high-energy electrons and ions. The findings support the presence of frozen brine on Europa's surface and provide insights into radiation-induced processes in outer space.
The University of Colorado-built UVIS instrument package has produced the first spectral images of Jupiter, capturing its aurora and a gigantic glowing ring of gas encircling the planet. The image reveals temperatures of over 100,000 degrees Fahrenheit and a torus density so low that it would fit inside Fenway Park if compressed to sol...
A new mathematical technique developed by Purdue University engineer James Longuski has significantly reduced the time required to plan space missions. By using a graphical representation of possible paths and automating calculations with software program STOUR, engineers can quickly identify optimal routes for spacecraft travel.
A team of scientists identified Io as the dominant source of the Jovian dust streams, which are high-rate bursts of submicron-sized particles. The particles' motion is strongly influenced by Jupiter's magnetic field, providing a unique signature that could only be present if Io were the dominant source.
Astronomers discovered that Jupiter's massive thunderstorms closely resemble clusters of thunderstorms on Earth, but develop from the planet's core heat rather than solar heat. These mesoscale convective complexes drive Jupiter's weather system and produce huge quantities of rain.
A recent study suggests that planetary systems similar to our own are rare in the galaxy, with less than 45% of stars capable of hosting Jupiter-like planets at specific distances. The study's findings were made possible by a new method developed by graduate student B. Scott Gaudi and his team using gravitational lensing anomalies.
Astronomers believe that megaflares produced by tangled magnetic fields on a star and its planet might help identify distant Sun-like stars with planetary systems. This phenomenon could provide energy for the development of life on rocky planets, making it a promising area to search for extraterrestrial life.
Astronomers produce high-resolution images of Jupiter's auroras, revealing details about the planet's atmosphere and its moons. The new images, made possible by improved instruments on the Hubble Space Telescope, show comet-shaped swaths of light and a faint electromagnetic footprint from Ganymede.