Monday, November 12, 2007

Weird Radio Signals Recorded In Saturnian System

The Cassini-Huygens mission picked up some bizarre radio signals recently from Saturn that you can listen to on NASA's website. Two clips are linked below - they sound exactly like a science fiction movie, which is really cool. Interestingly, Saturn's moon Titan is one of the places in our solar system where it is thought that primitive life might actually exist because of the moon's thick atmosphere and dense hydrocarbons that are a key part of amino acids. Titan is larger than both Mercury and Pluto and it is thought that the Earth may have once been similar to present-day conditions on Titan, long before Earth's atmosphere had the amount of oxygen it has today.

From what I can tell from reading about the audio clips, Saturn is known for the interesting radio signals that it emits. According to NASA, "Saturn is a source of intense radio emissions, which have been monitored by the Cassini spacecraft. The radio waves are closely related to the auroras near the poles of the planet. These auroras are similar to Earth's northern and southern lights".

While it appears that it is unlikely that these radio signals are signs of intelligent life on Titan, they are still pretty cool to listen to.

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