space-20-exam-06. Explain (Physics only) Describe how gravitational attraction pulls dust and gas together to form a protostar for neutron star remnant. Use mechanism focus words: cause force gravity fusion radiation expansion attraction orbiting mechanism.

space-20-exam-06: A strong answer says that (Physics only) Describe how gravitational attraction pulls dust and gas together to form a protostar in The life cycle of a star. For neutron star remnant, name the relevant object, stage, motion or evidence and connect it to the learning objective. Star life cycles depend on mass: nebula and protostar stages lead to main sequence, then lower-mass and higher-mass stars follow different final pathways. Finish by separating the idea from a misconception such as planet versus star, moon versus satellite, orbit versus rotation, or galaxy versus universe.

This exam response follows a precise chain: identify the Space Physics context, explain the mechanism or evidence, and protect the concept boundary. The mechanism focus makes this item distinct while anchored to The life cycle of a star.