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November 1, 2006

An edited image from the OSPaN telescope shows the relative size of Mercury compared to the sun.

An edited image from the USAF Optical Solar Patrol Network (OSPaN) telescope at NSF's National Solar Observatory, in Sunspot, N.M., depicts Mercury's (the black dot between the cross hairs) approximate relative size as it transits the sun on Nov. 8, 2006. Mercury will have an apparent size of about 1/200th the apparent diameter of the Sun. The image was made Nov. 1, 2006, and the position of "Mercury" on the solar disk does not correspond to the transit path. Transit images will be available at http://nsosp.nso.edu/data/latest_solar_images.html.

Credit: AFRL and NSO/AURA/NSF


Images credited to the National Science Foundation, a federal agency, are in the public domain. The images were created by employees of the United States Government as part of their official duties or prepared by contractors as "works for hire" for NSF. You may freely use NSF-credited images and, at your discretion, credit NSF with a "Courtesy: National Science Foundation" notation.

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Related story: Mercury to Transit the Sun