According to the progression table, what is the density and temperature characteristic of the Protostar Stage?
Answer
High/Rising Density/Temperature, resulting in a Heating, Pre-Fusion Object
The progression summary clearly delineates the increasing intensity of physical conditions as matter collapses. During the Protostar Stage, the forces driving the object are defined by intense gravitational infall, causing conditions within the core to become significantly more severe than the preceding Early Collapse phase. This results in density and temperature levels being categorized as High/Rising. This intense internal environment is what characterizes the object as a heating body undergoing fundamental physical changes, existing just prior to reaching the critical threshold required for self-sustaining energy generation via fusion.
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