MWC 758
A computer model reproduces the two-spiral-arm structure; the "x" is the Location of a putative planet. The planet, which cannot be seen directly, probably excites the two spiral arms.
Image Credit: NASA/ESA/ESO/M. Benisty et al. Univ. of Grenoble/R. Dong, Lawrence Berkeley National Lab/Z. Zhu, Princeton Univ.
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https://science.nasa.gov/image-detail/image1p1540ay/
Image CreditNASA/ESA/ESO/M. Benisty et al. Univ. of Grenoble/R. Dong, Lawrence Berkeley National Lab/Z. Zhu, Princeton Univ.
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