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Frequency Agile Solar Radiotelescope Image 2
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Frequency Agile Solar Radiotelescope (Image 2)

June 30, 2010
Frequency Agile Solar Radiotelescope (Image 2) A closer view of the core of the Frequency Agile Solar Radiotelescope (FASR) showing both the high frequency array (small white dishes) and low frequency array (large aluminum dishes). Two dish sizes (2m and 6 m diameter) are needed to cover the wide range of frequencies (0.3-20 GHz) that FASR uses. FASR is an ultra-wideband radio array that will operate over a frequency range of 50 MHz to more than 20 GHz, or wavelengths of 1.5 cm to 6 m. It will image the solar atmosphere from the middle-chromosphere to the outer corona in three dimensions once every second, providing unique measurements of coronal magnetic fields, solar flares, and drivers of space weather. [This material is based upon work supported by National Science Foundation grant AST 01-38317 and AST 03-52915.] [Please note: this image is copyright and was included in this gallery with permission from the owner. Please see "Restrictions," below, regarding use of this image.] (Date of Image: April 6, 2003) [See Related Image.]