Meanwhile, in the Helix Nebula…

Bow shocks reveal how a dying star returns matter to interstellar space nature.com

Deep imaging of the Helix Nebula found dozens of curved shock waves in its outskirts, where shells of gas flung off a dying Sun-like star are breaking into fragments and racing outward. The shapes show the fragments being stripped and shredded, mixing back into interstellar space over roughly 10,000 years.