Dianne Talsma (19 Aug 2005)
"Bar at Center of Milky Way"


Shalom All:

Study Details Bar at Center of Milky Way
http://hosted.ap.org/dynamic/stories/M/MILKY_WAY_BAR?SITE=TXBRH&SECTION=HOME&TEMPLATE=DEFAULT
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After creating the most detailed analysis yet of what the Milky Way looks like, astronomers say a long bar of stars cuts on an angle through the center of the galaxy that includes the sun and planet Earth.

The skinny bar is made up of old and red stars and is about 27,000 light years in length, about 7,000 light years longer than previously believed. The bar is at a 45 degree angle to the line between our Sun and the center of the galaxy and may put the Milky Way in a small class of galaxies with the unusual shape, researchers say.

The study should put to rest the idea held by some astronomers that an ellipse is at the center of the galaxy's swirling arms, Churchwell said (Ed Churchwell, a University of Wisconsin-Madison professor of astronomy who collaborated on the project).
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Dianne
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