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Jupiter's Moon Io is peppered with Volcanoes spewing gas.

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Jupiter's Moon Io.
Jupiter's Moon Io is peppered with Volcanoes spewing gas.

Comparing Satellite Images of Ivan and Frances.

Even as it's battening down the hatches for another rough ride at the Kennedy Space Center, NASA is getting as much science as it can out of Hurricane Ivan. The Multi-angle Imaging SpectroRadiometer aboard NASA's Terra satellite has provided a wealth of data about its formation and structure that will help improve future hurricane forecasts. scientists need to learn what elements make hurricanes strengthen or weaken, and sometimes make last minute swerves as they approach land - the more they know, the more accurately they can predict hurricane paths to lead evacuation efforts.

Stream of Particles from Jupiter's Moon Io.

Jupiter's Moon Io is peppered with volcanoes spewing gas and dust up to 400 km (284 miles) high. You'd think that this material would all settle down again onto the moon, but something very unusual is happening: it's being accelerated to a velocity second only to the Sun's solar wind. This new space hazard came as a complete surprise when it was first discovered pelting the NASA/ESA Ulysses spacecraft. The dust came in a tight stream, moving at 300 km per second (200 mps), and it was detected again when Galileo visited the Jovian system. It turns out that Jupiter's powerful magnetic field picks up the material from Io and accelerates it.

Radio Astronomy Will Get a Boost With the Square Kilometer Array.

It will probe the dark ages before the era of re-ionization, and perhaps before the birth of the first stars. It will observe the formation of the first galaxies. It will map the web of neutral Hydrogen that is spread across our universe, near and far. In 2015, an array of 4400 twelve meter fully steerable paraboloid radio dishes, called the Square Kilometer Array (SKA) is scheduled to be complete and operational.

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