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Coronal Mass Ejection

By: Tina Henning Mentors: O. C.  St. Cyr, Hong Xie Heliophysics Science Division Code 670. Coronal Mass Ejection. Animation of the STEREO-A spacecraft observing a very active Sun. Credit: Walt Feimer, NASA.

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Coronal Mass Ejection

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  1. By: Tina Henning Mentors: O. C.  St. Cyr, Hong Xie Heliophysics Science Division Code 670 Coronal Mass Ejection

  2. Animation of the STEREO-A spacecraft observing a very active Sun. Credit: Walt Feimer, NASA

  3. CMEs are explosions in the Sun's corona that spew out solar particles which can be dangerous when they hit the Earth CMEs will become more and more frequent as we near solar maximum Coronal Mass Ejections

  4. Cause Aurora Effect Satellites Effect Power grids Effect Radio communications CME’s can:

  5. ENLIL takes the cone model input parameters at its inner boundary. • These input parameters are the following: • 1. Start date (yyyy-mm-dd) • 2. Start time (hh-mm)3. Cone latitude (deg)4. Cone longitude (deg)5. Cone radius (deg)6. Radial velocity (km/s)

  6. 20000210_ 0230_1154

  7. Want to predict when space weather events from the Sun will hit Earth Believe the best way to do this is to use sophisticated models; ENLIL is the first model Preliminary results compare measurements with the radio measurements that were done before; results seem to be similar conclusion

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