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Hubble image of the Helix Nebula converted to sound. Colour is mapped to pitch (red=low, blue=high) and brightness controls volume. Red indicates the presence of hydrogen and nitrogen and blue indicates oxygen. Nebulae like this are formed when a low mass star sheds some of its outer material near the end of its life (red giant stage). The Helix Nebula, or Eye of Sauron, is 655 light years away and 3 light years across. It appears half the size of the full moon (huge!) and Hubble images were combined with wide field images from NOAO’s Mosaic Camera to make this image.
The brightness variations of the seven brightest stars in the Pleiades cluster are converted into sound waves. Six rich, harmonic tones are produced by the complex oscillations of 'slowly pulsating B stars' while a pure, low tone of Maia is produced by a large chemical spot on its surface rotating in and out of view every 10 days. These massive stars light up a cloud of gas and dust they happen to be passing through, creating the cluster's famous reflection nebula. The image of the cluster and nebula is converted into sound by interpreting the image as a spectrogram
originally posted by: abeverage
a reply to: SecretKnowledge
The first one freaked me out I wasn't expecting it almost like a scream lol
Very cool though!