CfA-Built Telescope On IRIS Sees First Light


Credit: NASA

Credit: NASA

NASA’s Interface Region Imaging Spectrograph (IRIS) observatory has produced its first images and spectra of a little understood region of the Sun through which the energy that supports the Sun’s hot corona is transported. IRIS was launched on June 27, 2013, and the front cover of the IRIS telescope was opened on July 17.

“Already, we’re finding that IRIS has the capability to reveal a very dynamic and highly structured chromosphere and transition region,” says astrophysicist Hui Tian of the Harvard-Smithsonian Center for Astrophysics (CfA). “Thin and elongated structures are clearly present in these first-light images, and they evolve quickly in time.”

Important goals of the IRIS mission are to understand how the Sun’s million degree corona is heated and to reveal the genesis of the solar wind.

Full Story: http://www.cfa.harvard.edu/news/2013/pr201321.html

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