Twenty Thousand Hertz Solar Symphony: Listening to the Sun’s hidden “music”
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Feb 19, 2025 Padi Boyd, an astrophysicist and host of NASA’s Curious Universe, joins Robert Alexander, a data sonification expert, and Mike Hartinger, a heliophysics research scientist. They unravel how solar electromagnetic waves are transformed into sound, revealing the Sun's 'music.' The trio discusses solar flares and coronal mass ejections, emphasizing their effects on Earth. They also explore public participation in solar research through sonification and how these auditory experiences enhance our understanding of the cosmos.
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Early Space Sounds
- Early space scientists used sound to study space, even before rockets, coining terms like "whistle waves" and "dawn chorus".
- These ethereal sounds, captured by antennas and later satellites, offered a glimpse into an invisible world.
Sunspots and Solar Activity
- The sun, though seemingly stable, is dynamic with sunspots, cooler, active regions with intense magnetic fields.
- These sunspots serve as launchpads for solar flares and coronal mass ejections.
Earth's Protective Shield
- Earth's magnetosphere shields us from the constant solar wind and sporadic explosions from the sun.
- This magnetic field, generated by Earth's core, deflects the solar wind, protecting our planet.