Secrets of the Sun (Slide Set Number 73)
 

About the Sun (photosphere and sunspots)

  • Slide 1: The Sun's visible surface
  • Slide 2: A sunspot group
  • Slide 3: Sunspot: umbra and penumbra
  • Slide 4: The Zeeman Effect in the large sunspot of July 4, 1974
  • Slide 5: Sunspots and magnetic fields
  • Slide 6: The solar sunspot cycle
  • Slide 7: The Sun's magnetic cycle

Inside the Sun (under the photosphere)

  • Slide 8: The solar interior
  • Slide 9: Solar oscillations

The solar atmosphere (above the photosphere)

  • Slide 10: The Sun's upper atmosphere
  • Slide 11: The chromosphere in calcium light
  • Slide 12: The chromosphere in hydrogen light
  • Slide 13: The corona
  • Slide 14: Prominence loops in the corona
  • Slide 15: A hanging prominence
  • Slide 16: The corona in iron light
  • Slide 17: Solar variability
  • Slides 18 and 19: Solar flares

Studying the Sun: instruments and techniques

  • Slide 20: National Solar Observatory
  • Slide 21: Vacuum Tower Telescope
  • Slide 22: A coronagraph telescope
  • Slide 23: Blocking the Sun's light
  • Slide 24: The Hilltop Dome Telescopes
  • Slide 25: A magnetic field map
  • Slide 26: McMath-Pierce Solar Telescope
  • Slide 27: Cross-section diagram of the McMath-Pierce Solar Telescope

The Sun at other wavelengths

  • Slide 28: An x-ray view of the Sun's corona
  • Slide 29: A montage of the Sun at various wavelengths
  • Slide 30: Five images of the Sun at a wavelength of 20cm
  • Slide 31: The Sun at a wavelength of 850 microns (353 GHz)
  • Slide 32: The Sun at a wavelength of 3 mm (86 GHz)
 
 

Section Photo