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DescriçãoCurious spiral spotted by ALMA around red giant star R Sculptoris (data visualisation).jpg
English: Observations using the Atacama Large Millimeter/submillimeter Array (ALMA) have revealed an unexpected spiral structure in the material around the old star R Sculptoris in the constellation Sculptor.
This feature has never been seen before and is probably caused by a hidden companion star orbiting the star. This slice through the new ALMA data reveals the shell around the star, which shows up as the outer circular ring, as well as a very clear spiral structure in the inner material.
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Data e hora de geração de dados
19h00min de 10 de outubro de 2012
Título
Observations using the Atacama Large Millimeter/submillimeter Array (ALMA) have revealed an unexpected spiral structure in the material around the old star R Sculptoris. This feature has never been seen before and is probably caused by a hidden companion star orbiting the star. This slice through the new ALMA data reveals the shell around the star, which shows up as the outer circular ring, as well as a very clear spiral structure in the inner material.
Atribuição/Fornecedor
ALMA (ESO/NAOJ/NRAO)
Fonte
European Southern Observatory
Título curto
Curious spiral spotted by ALMA around red giant star R Sculptoris (data visualisation)