GIF screenshot: Gandalf—the Lord of the Half Rings? (IMAGE)

Institute of Science and Technology Austria

GIF screenshot: Gandalf—the Lord of the Half Rings?

Caption

Gandalf—the Lord of the Half Rings? Hydrogen emission spectra alternating between two peaks over the remnant’s six-minute spin period indicate a half-ring of material circling the star. © Aayush Desai / Andrei Cristea / ISTA

Credit

© Aayush Desai / Andrei Cristea / ISTA

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For use with this release.

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