ALMA spots surprising spiral structure, reveals secrets of a dying star

Wednesday, October 10, 2012 - 12:00 in Astronomy & Space

(Phys.org)—Astronomers using the Atacama Large Millimeter/submillimeter Array 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 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. This work is one of the first ALMA early science results to be published.

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