Mike Batchelor shows how to create nebulous structures in Cinema 4D using X-Particles 2, walking through some of the emission and modifier systems in X-Particles.

using x-particles to generate nebula structures

X-Particles 2 represents the latest version in X-Particles of the popular  particle system for Cinema 4D, making it much faster in larger particle counts with a new multithreaded components including a multithreaded emitter. X-Particles 2 comes in the Standard Version for 149 euros or roughly $190, and a Pro version for 249 euros, roughly $330.