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CLIP 9802

What causes sunspots?

What causes sunspots?

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All Class Clips content is available to watch on mobile, tablet and desktop devices on our new Knowledge & Learning BETA website.

Key Info
  • What causes sunspots?
  • Duration: 02:06
  • Spectrographic observations explain that sunspots are caused by anomalies in the Sun's magnetic field. Early spectrographic techniques are described that allowed astronomers to deduce the cause of sunspots. All of the surface variations of the Sun are caused by magnetism. Published as part of the Solar System website Please note this clip is only available in Flash.
  • Subject:



    Phys: Solar System

  • Keywords: sun, spectrography, spectrograph, magnetism, outerspace
Ideas for use in class
  • To describe how astronomers observe the Sun at different wavelengths.
Background details
  • Clip language : English
  • Aspect ratio : 16x9

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