Earthsky Tonight — April 5, 2010: Star in the

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org In 2007, a faint star in the constellation Bootes the Herdsman made astronomical history. An international team of astronomers, led by Jean-Francis Donati and Claire Montau of France, caught the star Tau Bootis flipping its north and south magnetic poles while these astronomers were mapping the magnetic fields of stars. This was the first time a magnetic reversal had been observed on any star other than our sun. Astronomers are ... Full Story