Nature, Published online: 12 August 2026; doi:10.1038/s41586-026-10724-z
Shocks 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.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 ej…