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Lockheed Martin Solar and Astrophysics Lab
Submitted: Thu Oct 14 2004
CT: Earth Changes: Lockheed Martin Solar and Astrophysics Lab
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The Soft X-ray Telescope on board the Yohkoh satellite was designed to study the hottest part of the Sun's atmosphere (the corona). Because the corona is so hot (2 million degrees) it is best seen by detecting the X-rays it emits. The images above show the most recent image of the whole sun (left) and a close-up of the brightest active region (right), the location of which is shown on the inset grid. Click on either of the above images to see a larger version.