Learning about the dynamic Sun through sounds

Details Learning about the dynamic Sun through sounds Learning about the dynamic Sun through sounds

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufmed31a0086p&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #ED31A-0086

Computer Science

Sound

0815 Informal Education, 0845 Instructional Tools, 7513 Coronal Mass Ejections (2101), 7514 Energetic Particles (2114), 7524 Magnetic Fields

Scientific paper

Can we hear the Sun or its solar wind? Not in the sense that they make sound. But we can take the particle, magnetic field, electric field, and image data and turn it into sound to demonstrate what the data tells us. We will present work on turning data from the two-satellite NASA mission called STEREO (Solar TErrestrial RElations Observatory) into sounds and music (sonification). STEREO has two satellites orbiting the Sun near Earth's orbit to study the dynamic eruptions of mass from the outermost atmosphere of the Sun, the Corona. These eruptions are called coronal mass ejections (CMEs). One sonification project aims to inspire musicians, museum patrons, and the public to learn more about CMEs by downloading STEREO data and using it in the software to make music. We will demonstrate the software and discuss the way in which it was developed. A second project aims to produce a museum exhibit using STEREO imagery and sounds from STEREO data. We will discuss a "walk across the Sun" created for this exhibit so people can hear the features on solar images. For example, we will show how pixel intensity translates into pitches from selectable scales with selectable musical scale size and octave locations. We will also share our successes and lessons learned. These two projects stem from the STEREO-IMPACT (In-situ Measurements of Particles and CME Transients) E/PO program and a grant from the IDEAS (The Initiative to Develop Education through Astronomy and Space Science (IDEAS) Grant Program.

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