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ESO eso1239: Surprising Spiral Structure Spotted by ALMA — New observations reveal the secrets of a dying star. Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered a totally unexpected spiral structure in the material around the old star R Sculptoris. This is the first time that such a structure, along with an outer spherical shell, has ...

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European
Southern
Observatory
ESO News
10 October 2012

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered a totally unexpected spiral structure in the material around the old star R Sculptoris. This is the first time that such a structure, along with an outer spherical shell, has been found around a red giant star. It is also the first time that astronomers could get full three-dimensional information about such a spiral. The strange shape was probably created by a hidden companion star orbiting the red giant. This work is one of the first ALMA early science results to be published and it appears in the journal Nature this week.

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Space Scoop - the children's version of this release is available at: http://www.eso.org/public/news/eso1239/kids/

Kind regards,
The ESO Education and Public Outreach Department
10 October 2012

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8 October 2012
A VISTA Before Sunset




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