Spiral density wave theory and self-sustaining star formation are ways to explain why ____.

Question

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Spiral density wave theory explains the pattern of star formation along the spiral arms, where the density waves compress gas and dust, leading to star formation. Self-sustaining star formation refers to the process where the formation of new stars can trigger the formation of more stars, particularly along the spiral arms, as massive stars can compress nearby molecular clouds, leading to the creation of new stars.

Spiral Density Wave Theory and Self-Sustaining Star Formation Are Ways