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Turbulent storms leaving spots on big planet, ice caps retreating on red planet
WorldNetDaily
According to Philip S. Marcus, a professor of fluid dynamics at UC Berkeley, analysis of the Hubble and Keck images may support his 2004 conjecture that Jupiter is in the midst of global climate change that will alter temperatures by as much as 10 degrees Celsius, getting warmer near the equator and cooler near the south pole. He predicted that large changes would start in the southern hemisphere around 2006, causing the jet streams to become unstable and spawn new vortices.

Mars, too, is being hit by rapid climate change and it is happening so fast that the red planet could lose its southern ice cap, according to scientists. Scientists from NASA say that Mars has warmed by about 0.5C since the 1970s. This is similar to the warming experienced on Earth over approximately the same period. Read more

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Posted by markw, filed under Science. Date: May 24, 2008, 1:30 pm | No Comments »

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David Shiga
Newscientist

Jupiter’s Great Red Spot is an ancient, hurricane-like storm that may have been raging for 340 years or more, based on early observations with telescopes. At three times the width of Earth, it is the largest storm in the solar system. It was recently joined by a similar, but smaller storm called Red Spot Junior. Red Spot Junior grew out of the merger of three smaller, white storms between 1998 and 2000 and turned red in 2006. It is about the size of Earth.

Now, a third red spot, about half the size of Red Spot Junior, has broken out on the giant gaseous planet. The spot, previously a white storm, now appears red in Hubble Space Telescope images taken on 9 and 10 May. Read more

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Posted by markw, filed under Science. Date: May 23, 2008, 11:15 am | No Comments »