During the initial creation of a solar nebula, what force works alongside gravity to shape the structure before collapse dominates?
Answer
Rotation
While gravity is overwhelmingly dominant in the subsequent middle and end stages of a nebula leading to star formation, the very beginning—the creation of the initial solar nebula structure—involves a dynamic interplay of forces. This initial shaping process requires gravity to work in conjunction with other factors present, specifically mentioning rotation and internal pressure, to establish the larger structure from which the later, irreversible gravitational collapse will occur.
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