News and commentary about the Great Frontiers

ISS007-E-10807 (21 July 2003) --- This view of Earth's horizon as the sunsets over the Pacific Ocean was taken by an Expedition 7 crewmember onboard the International Space Station (ISS). Anvil tops of thunderclouds are also visible. Credit: Earth Science and Remote Sensing Unit, NASA Johnson Space Center

Image Credit: ISS007-E-10807 (21 July 2003) – Earth Science and Remote Sensing Unit, NASA Johnson Space Center

Saturn’s Dragon Storm

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Scientists have been studying a feature they call the “Dragon Storm” on Saturn since it was first detected last year. This long-term storm appears to feed on an upwelling of energy. Cassini has detected radio bursts from the storm that seem to activate when the storm is on the planet’s night side and stop when it is on the planet’s day side. This image of Saturn is in false color to observe the presence of methane (red depicts high concentrations of methane and blue depicts no methane.)

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