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MEES - PowerPoint PPT Presentation


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MEES . Solar Observatory . Location . The University of Hawaii . About. 3,054 meters (approximately 10,000 feet) above sea level. It is used for many different purposes other than a solar observatory However the Heliophysics section is loacted in Haleakala, Hawaii.

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Presentation Transcript
slide1

MEES

Solar Observatory

location
Location
  • The University of Hawaii
about
About
  • 3,054 meters (approximately 10,000 feet) above sea level.
  • It is used for many different purposes other than a solar observatory
  • However the Heliophysics section is loacted in Haleakala, Hawaii.
  • They specialize in solar eclipses
slide4

During the last few years ShadiaHabbal has organized several expeditions to observe total solar eclipses and look at the corona.

  • They discovered that: The electron temperature in coronal structures has a clear demarcation. (solar wind outflow being characterized by a 1,000,000 K plasma) (archlikestructures are at 2,000,000 K.)
  • The hottest structures enshroud the coolest material in the corona in the form of suspended or anchored prominences.
  • Localized enhancements of the ion relative to the electron density occur in distinct magnetic structures
study of the diameter
Study of the diameter
  • MEES team worked with team SOHO to study the exact diameter of the sun.
  • They used the SOHO spacecraft to time the transits of the planet Mercury across the face of the Sun in 2003 and 2006.
  • They figured out that the sun has a radius of 696,342 km to an accuracy of 60 km