SDO Captures Solar Flare March 19, 2011

The Solar Dynamics Observatory captured this beautiful solar flare over a period of roughly five hours on March 19, 2011. The loop grew to several dozen times Earth's size before erupting into outer space.

See the SDO Gallery for more images and movies.

All comments must follow the Sky & Telescope Terms of Use and will be moderated prior to posting. Please be civil in your comments. Sky & Telescope reserves the right to use the comments we receive, in whole or in part, and to use the commenter’s username, in any medium. See also the Terms of Use and Privacy Policy.