Numerous bow shocks in the outer Helix Nebula

Nature, Published online: 12 August 2026; doi:10.1038/s41586-026-10724-zShocks in the eastern outskirts of the Helix Nebula, detected in Hα emission with the MOTHRA telescope, provide evidence for the recycling of fragmented stellar ejecta into the surrounding gas.

SINSIN
Aug 13, 2026 - 04:00
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Numerous bow shocks in the outer Helix Nebula

Nature, Published online: 12 August 2026; doi:10.1038/s41586-026-10724-zShocks in the eastern outskirts of the Helix Nebula, detected in Hα emission with the MOTHRA telescope, provide evidence for the recycling of fragmented stellar ejecta into the surrounding gas.

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