From @neelkolhe.bsky.social:We dive into a new method attempting to use the red glow of the hydrogen alpha spectral line to try to detect dark matter annihilation and decay in dwarf galaxies! ⚛️ 🔭 ☄️ 🧪 astrobites.org/2026/07/25/hydrogen-alpha-dark/
Crossing red lines to detect dark matter.We dive into a new method attempting to use the red glow of the hydrogen alpha spectral line to try to detect dark matter annihilation and decay in dwarf galaxies!astrobites.org