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News for Norther Colorado and the world

Sunday, September 21, 2014

Posts Tagged ‘Bootes’

Sky Tonight—May 2, Follow the arc to the star

Sky Tonight—May 2, Follow the arc to the star Arcturus in May

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org It is now the perfect time to look outside in the evening and learn a phrase useful to sky watchers. The phrase is: ‘follow the arc to Arcturus.’ First, locate the Big Dipper asterism in the northeastern sky. Then draw an imaginary line following the curve in the Dipper’s handle until you come to a bright orange star. This star is Arcturus in the constellation Bootes, known in skylore as the ‘bear ... Full Story

Earthsky Tonight — April 5, 2010: Star in the

Earthsky Tonight — April 5, 2010: Star in the constellation Bootes makes history

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 ... Full Story

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