Heliosphere Molecular Clouds Local Interstellar Cloud Gas Dynamics Cosmic Rays Stellar Winds Gas Clouds Charged Particles Heliopause Cosmic Chemistry Solar System Boundaries Chemical Enrichment Dust in Space Cosmic Observations Particle Physics Epoch of Reionization Dust and Gas Cosmic Particles Gas Cooling Processes Molecular Emission Giant Stars Gas Phases Gas and Dust Dust Clouds Light Echoes Hydrogen and Oxygen Solar Wind Gas Outflows Stripping Mechanisms Dust and Gas Clouds Cosmic Phenomena Cosmic Radiation Binary Star Systems Galaxy Clusters Voyager 1 Data ISM Gradients Plasma Physics Dust Alignment Cosmic Environment Voyager 2 Circumgalactic Medium Radiation Fields Dust Dust Grains
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The curved Hα features trace clumps of dying‑star ejecta stripped by the interstellar medium, offering a direct constraint on how long fragments remain coherent.
