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Bad Astronomy

Saturn storm cranks the heat WAY up

26 Oct 2012, 13:00 UTC
Saturn storm cranks the heat WAY up
(200 words excerpt, click title or image to see full post)

In late 2010, amateur astronomers discovered a white spot on Saturn – a gigantic storm forming in its northern hemisphere. The storm grew rapidly, and within weeks had embiggened to an almost unbelievable size, much larger than our entire planet. The winds in Saturn’s atmosphere sheared the storm, pulling it apart while it still raged, and after three months the storm had wrapped completely around the planet, stretched to the ridiculous length of 300,000 km (180,000 miles) – 3/4 of the distance from the Earth to the Moon!
By mid-2011 the storm had nearly subsided – its remnants could still be seen in images taken by the Cassini spacecraft orbiting the ringed world – but the teeth had been taken out of it. Still, there was one surprise left in it.
Observations taken in the infrared by Cassini as well as from Earth show that the storm was not just big and violent, it also formed a vortex (a storm within a storm, if you like) that got hot – well, hot for frigid Saturn, that is. In the heart of the system, the temperature ...

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