Spiral structure around R Sculptoris, ALMA image

Numéro d’image : 12347615
Spiral structure around R Sculptoris, ALMA image
Spiral structure around R Sculptoris, Atacama Large Millimeter Array (ALMA) image. R Sculptoris is a red giant star that is 1500 light years from Earth, in the constellation of Sculptor. It is thought that the spiral pattern in the material orbiting the star is caused by the influence of an unseen companion star. The ALMA observations, obtained at millimetre and submillimetre radio wavelengths, show a cross-section, with the outer bright ring representing a spherical shell of dust and debris around the star. Inside this is a spiral structure of more dust and debris. Image published in 2012.
Licence : Droits gérés
Crédit: Science Photo Library / M. Maercker et al / NRAO) / NAOJ / ALMA (ESO
Taille de l’image : 3742 px × 2339 px
Model Release : Non requis
Property Release : Non requis
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  • This image may not be used by or to promote the arms, nuclear power or tobacco industries or any religious organisation, or in any discriminatory way, or to imply the endorsement by ESO of any product, service or activity

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