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07 August 2008
Could Jupiter and Saturn Contain Liquid Metal Helium?
The interiors of the two gas giants, Jupiter and Saturn, are pretty extreme places. With atmospheric pressures of around 70 million Earth atmospheres, the phases of material become a bit difficult to understand. Usually when we think of a liquid metal, we have thoughts about liquid mercury at room temperature (or the reassembling liquid metal [...]
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30 July 2008
StarGazer's Telescope: Jumpin' Jupiter!
Greetings, Fellow Stratos Dwellers! Have you had more than your fair share of clouds lately and are hankering for a few photons? Skies haven't been spectacular in this part of the world either and when it is clear, the heat is sure making it difficult to get a nice steady view. But, it's [...]
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17 July 2008
"Baby Red Spot" May Have Met Demise on Jupiter
The Great Red Spot on Jupiter has been observed for over 150 years, and it doesn't appear this anti-cyclonic storm is showing any signs of letting up. How does it maintain its power? Well, like a planetary Pac-Man, it "eats up" other storms, zapping them of their power. The sequence of images [...]
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22 May 2008
Hubble Spies Third Red Spot on Jupiter
Jupiter appears to be breaking out with spots, as a third red storm has joined the Great Red Spot and Red Spot Jr. (or Oval BA) in the planet's turbulent atmosphere. This third spot used to be a white storm, and its change to a red color might mean storm is so becoming more [...]
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17 May 2008
Jupiter - How Many Moons Does Jupiter Have?
When it comes to the mighty Jupiter - and seeing Jupiter's moons through a small telescope or binoculars - timing is everything. Jupiter's satellites are constantly on the move, and almost any time you observe you'll see at least one. The four largest of Jupiter's moons are known as the Galileans, and go [...]
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02 May 2008
Could Jupiter Wreck the Solar System?
Scientists have expressed their concern that the Solar System may not be as stable as it seems. Happily orbiting the Sun, the eight planets (plus Pluto and other minor planets) appear to have a high degree of long-term gravitational stability. But Jupiter has a huge gravitational influence over its siblings, especially the smaller planets. It [...]
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01 May 2008
Jupiter’s Rings Are ‘Made in the Shade’
Robotic spacecraft can gather a lot of data, and sometimes it takes years to sort through all the information acquired. Case in point: The Galileo spacecraft orbited Jupiter from 1995-2003. One discovery made by this mission was an anomaly in Jupiter’s rings. For the most part, the rings fall into the [...]
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18 March 2008
New, Unexpected Spots Found on Jupiter
Jupiter is a spotty place. There's the aptly-named Great Red Spot – a large, long-lasting storm – that we all know and love, and new storms crop up every so often to create interesting features for astronomers both professional and amateur to study. The most recent discovery of new spots can only be seen in [...]
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09 March 2008
Jupiter has Van Allen Belts too, Just Bigger; Implications for Space Weather Prediction
Jupiter has a powerful magnetic field 20,000 times stronger than the Earth's. It is therefore of no surprise that the highly energetic and damaging particles flying around in the Earths Van Allen Belts can be found within Jupiter's magnetosphere too. But are the mechanisms energizing these particles the same for both planets? New research suggests [...]
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25 January 2008
Gigantic Storms on Jupiter Grow in a Single Day
As a giant planet, Jupiter takes everything to the extreme. Even the weather. A ferocious storm raging across the cloud tops has surprised scientists: it's churning up material that was deeper down in the planet's atmosphere. And there's evidence that the planet's jet streams are generated by its own heat, and not just from the [...]
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09 October 2007
New Horizons Makes Surprising Discoveries at Jupiter
Remember when New Horizons sped past Jupiter on its way to Pluto. It kept its cameras rolling during the flyby, and captured hard drives full of data. Researchers have had a chance crunch through some of this data, and announced a series of discoveries this week: polar lightning storms, clumpy rings, volcanic eruptions on Io, [...]
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08 October 2007
Podcast: Jupiter's Moons
Last week we talked about Jupiter and we could sense right away it would be too much to handle. This week, we'll talk about Jupiter's moons - how many are there? What makes them so interesting? Is it true that the most likely place in the solar system to find life (other than Earth) is [...]
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01 October 2007
Podcast: Jupiter
Last week we talked about rubble, this week we're going to dig into the largest planet in the Solar System: Jupiter, but will it all just be hot gas? There's so much to talk about, we've decided to break this up into two shows. This week we're going to just talk about Jupiter, and then [...]
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03 May 2007
Torrent of New Jupiter Images from New Horizons
Although its primary target will be Pluto, NASA’s New Horizons spacecraft is taking the time to do a little science along the way. During its recent Jupiter flyby, the spacecraft was able to test out its scientific instruments as a dress rehearsal for its final Pluto encounter. NASA held a big press conference this week, [...]
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30 March 2007
More Images from New Horizon’s Jupiter Flyby
Even though New Horizon’s Jupiter flyby happened weeks ago, scientists are only just starting to crunch through the data sent back. They’re revealing better and better images of Jupiter, taken by the spacecraft’s powerful instruments. The image attached to this story was taken using New Horizon’s LEISA infrared camera. It’s a false colour photograph - [...]
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