A conceptual figure of the starburst galaxy “Shadow Blaster” studied in this research (IMAGE)

National Institutes of Natural Sciences

A conceptual figure of the starburst galaxy “Shadow Blaster” studied in this research

Caption

A conceptual figure of this study. The background diagram represents the history of the Universe stretching from the Big Bang on the left and the modern Universe on the right. ALMA captured the starburst galaxy “Shadow Blaster” in the same direction as the high-energy neutrino event IC 210922A. Actual radio observations by ALMA are shown in the zoom-in inset. Due to gravitational lensing, the ALMA observations show four distorted images of Shadow Blaster, which has been identified as the source of the neutrinos (indicated by the Greek letter nu). An artist’s conception of Shadow Blaster’s true appearance is shown in the circle.

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(Credit: MITOS)

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