Pic.36 An Indian Hindu devotee offers prayers while bathing during the annular solar eclipse in the Banganga Lake in Mumbai, India, Friday, Jan. 15, 2010. (AP Photo/Rajanish Kakade)
A burst of solar wind-charged particles from the sun-struck Earth on Tuesday, triggering auroras as far south as Michigan, as seen in this picture taken from the shores of Lake Superior in Marquette.