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Comet Lovejoy Grazes the Sun

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Uploaded on Dec 20, 2011

Comet Lovejoy races through a several-million degree solar corona as it passes the Sun on December 15th, 2011 (EST). The comet defied the expectations of many experts by not only surviving its solar plunge but re-emerging as strong and bright as before.

Imagery was gathered in the 171 Angstrom wavelength from the Naval Research Laboratory's (NRL) Sun-Earth Connection Coronal and Heliospheric Investigation (SECCHI)/EUVI-A instruments, which are a part of the NASA Solar Terrestrial RElations Observatory (STEREO) mission. STEREO consists of two space-based observatories - one ahead of Earth in its orbit, the other trailing behind. With this new pair of viewpoints, scientists are able to see the structure and evolution of solar storms as they blast from the Sun and move out through space.

Visit the Sungrazing Comets Project for the full story: http://sungrazer.nrl.navy.mil/index.p....

For more NRL videos, visit http://www.nrl.navy.mil/media/videos/.

Credit: STEREO/SECCHI image courtesy NASA/NRL

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