High velocity dust grains produced by a supernova explosion
This study uses a one-dimensional Lagrangian approach to model how dust grains formed in supernova ejecta maintain high velocities when interacting with ambient interstellar gas. It finds that grains larger than 0.3 µm can cross the supernova shock and travel at high speeds (1–2 thousand km/s) in diffuse gas, potentially explaining high-velocity dust observed in meteors.