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Ricevuto — 12 Agosto 2026 ⏭ Nature - Issue - nature.com science feeds

Numerous bow shocks in the outer Helix Nebula

✇Nature - Issue - nature.com science feeds
di: Pieter van Dokkum · Roberto Abraham · William P. Bowman · Seery Chen · Steven R. Janssens · Deborah M. Lokhorst · Imad Pasha · Carter Rhea
12 Agosto 2026 ore 02:00

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.
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