Pulsating Stars Enable New Precise Determination Of Rotation Of The Milky Way
Monday, September 22, 2008 - 13:47
in Astronomy & Space
New, very precise measurements have shown that the rotation of the Milky Way is simpler than previously thought. A remarkable result from the most successful ESO instrument HARPS, shows that a much debated, apparent "fall" of neighborhood Cepheid stars towards our Sun stems from an intrinsic property of the Cepheids themselves.