3D Image of Solar Wind (IMAGE)
Caption
The four PUNCH satellites designed and built by SwRI will provide a 90-degree portrait of the sky centered on the Sun, as illustrated here. The Narrow Field Imager aboard one satellite is a coronagraph that blocks out the brightest light from the Sun to show the fainter corona. The three SwRI-developed Wide Field Imagers use baffling and ground processing technology to show the faint traces of the outer corona and the solar wind itself, 1,000 times fainter than the Milky Way galaxy.
Credit
Southwest Research Institute
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