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Scientists Find Rings Of Jupiter Are Shaped In Shadow College Park MD (SPX) May 02, 2008 
Scientists from the University of Maryland and the Max-Planck Institute for Solar System Research in Germany appear to have solved a long-standing mystery about the cause of anomalies in Jupiter's gossamer rings. They report that a faint extension of the outermost ring beyond the orbit of Jupiter's moon Thebe, and other observed deviations from an accepted model of ring formation, result from th ... read more |
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Novel Spots Found On Jupiter
Liege, Belgium (SPX) Mar 18, 2008Scientists have observed unexpected luminous spots on Jupiter caused by its moon Io. Besides displaying the most spectacular volcanic activity in the solar system, Io causes auroras on its mother planet that are similar to the Northern Lights on Earth. The auroral emissions linked to the volcanic moon are called the Io footprint. From previous studies, researchers had found the Io footprint ... more Seeing Red 
Laurel MD (SPX) Feb 29, 2008This New Horizons image of Jupiter's volcanic moon Io was taken at 13:05 Universal Time during the spacecraft's Jupiter flyby on February 28, 2007. It shows the reddish color of the deposits from the giant volcanic eruption at the volcano Tvashtar, near the top of the sunlit crescent, as well as the bluish plume itself and the orange glow of the hot lava at its source. The relatively ... more Venus And Jupiter Converge 
Washington DC (SPX) Jan 31, 2008Wake up before dawn on an arctic-cold February morning .... and go outside? This Friday you'll be glad you did. The two brightest planets in the Solar System, Venus and Jupiter, are converging for a spectacular close encounter. The best time to look: Friday morning, February 1st. Venus and Jupiter will be so close together, you can hide them behind the tip of your index finger held at arm's leng ... more Monster Storms Erupt On Jupiter 
Greenbelt MD (SPX) Jan 29, 2008As the largest planet in our solar system, Jupiter likes to supersize its stormy weather. Two giant storms erupted from a jet stream blowing at 370 miles per hour on Jupiter in March, 2007. The storms exploded in size, growing from 250 miles across to more than 1,245 miles across in less than a day. Ice plumes from the storms towered 20 miles above surrounding cloud tops. The storms disturbed th ... more The Storms May Tell Why Gas Giant Planets Are So Windy 
Tucson AZ (SPX) Jan 29, 2008A University of Arizona scientist, observing Jupiter with the Hubble Space Telescope last May, took some of the best images of two unusual giant storms that erupted from the planet last spring. Erich Karkoschka of the UA's Lunar and Planetary Laboratory is co-author on a scientific paper being published about Jupiter's giant storms in the Jan. 24 issue of the journal Nature. When the Pluto ... more |
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Moffett Field CA (SPX) Nov 13, 2007Jupiter is known as many things: king of the planets, an impressive gas giant, defender of the inner solar system. This last notion comes from the idea that Jupiter is so massive that its gravitational influence deflects objects like comets, which, as they spiral toward the Sun, could potentially hit inner planets such as the Earth. Without Jupiter acting as a "cosmic vacuum cleaner" sucki ... more Jovian Magnetosphere Circulates Magnetic Field Very Differently From Earth 
San Antonio TX (SPX) Oct 24, 2007Space physicists have long assumed that the magnetosphere at Jupiter circulates that planet's magnetic field in the same way as Earth. At Earth, this circulation drives the aurora and the magnetic storms that cause space weather. Researchers from Southwest Research Institute and the University of Colorado at Boulder have developed a new model that postulates the structure and magnetospheric pr ... more New Horizons' SWAP instrument Reveals Complex Structure, Diverse Plasma Populations In Jupiter's Magnetotail 
San Antonio TX (SPX) Oct 11, 2007During the first traversal nearly straight down any planet's magnetotail, the Solar Wind Around Pluto (SWAP) instrument aboard New Horizons gathered remarkable new data on the magnetospheric bubble that surrounds Jupiter. The encounter, a bonus science mission for the Pluto-bound spacecraft, occurred as it rounded the planet in February 2007 for a gravity assist to help speed its journey to the ... more Polar lightning - not just an earthly phenomenon: study 
Chicago (AFP) Oct 9, 2007Images from a NASA probe have shown that lightning does occur at the poles on Jupiter, a phenomenon previously only seen on Earth, a study released Tuesday said. Lightning strikes had previously been observed at lower latitudes and around the equator on the gas planet but the jagged bolts of electricity had never been observed at either of its two poles, puzzling astronomers. But as it r ... more Jupiter: Friend Or Foe 
Moffett Field CA (SPX) Aug 30, 2007The traditional belief that Jupiter acts as a celestial shield, deflecting asteroids and comets away from the inner Solar System, has been challenged by the first in a series of studies evaluating the impact risk to the Earth posed by different groups of object. Understanding how Jupiter affects impact rates is important because asteroid and comet impacts can have profound implications for life ... more |
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Washington DC (SPX) May 02, 2007NASA's New Horizons spacecraft has provided new data on the Jupiter system, stunning scientists with never-before-seen perspectives of the giant planet's atmosphere, rings, moons and magnetosphere. These new views include the closest look yet at the Earth-sized "Little Red Spot" storm churning materials through Jupiter's cloud tops; detailed images of small satellites herding dust and boul ... more Two Moons Meet Over Jupiter 
Laurel MD (SPX) Apr 03, 2007This beautiful image of the crescents of volcanic Io and more sedate Europa was snapped by New Horizons' color Multispectral Visual Imaging Camera (MVIC) at 10:34 UT on March 2, 2007, about two days after New Horizons made its closest approach to Jupiter. The picture was one of a handful of the Jupiter system that New Horizons took primarily for their artistic, rather than scientific value ... more Big Auroras On Jupiter 
Hunstville AL (SPX) Apr 02, 2007So you thought Northern Lights were big in Alaska? "That's nothing," says Randy Gladstone of the Southwest Research Institute in San Antonio, Texas. "Jupiter has auroras bigger than our entire planet." Last month, Gladstone and colleagues used NASA's Chandra X-ray Observatory to capture this picture: The purple ring traces Jupiter's X-ray auroras. Gladstone calls them "Northern Lights on s ... more LORRI Takes An Even Closer Look At The Little Red Spot 
Laurel MD (SPX) Mar 27, 2007The New Horizons Long Range Reconnaissance Imager (LORRI) has returned stunning new images of Jupiter's Little Red Spot, obtained as a 2-by-2 mosaic at 0312 UTC on February 27, 2007, from a distance of 3 million kilometers (1.8 million miles). The image scale is 15 kilometers (about 9 miles) per pixel. By comparison, team members say, ground-based and Earth-orbiting imagers rarely do bette ... more Juno Gets A Little Bigger With One More Payload For Jovian Delivery 
Sacramento CA (SPX) Mar 11, 2007Sacramento CA (SPX) Mar 11, 2007 NASA has now officially permitted the science team of the "Juno" Jupiter orbiter -- scheduled to fly in August 2011 -- to add another experiment, provided by the Italian Space Agency, to the craft, which already carries eight American experiments. Juno is the second of the new, medium-cost "New Frontiers" Solar System missions -- the first one being the Ne ... more
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