Question detail
space-20-mcq-03. For a red giant after hydrogen runs low, choose the strongest sequence answer about (Physics only) Describe how gravitational attraction pulls dust and gas together to form a protostar. Focus vocabulary: stage timeline pathway before after development transition lifecycle order.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Solar system; stability of orbital motions; satellites
Question
- A. space-20-mcq-03 sequence: red giant after hydrogen runs low correctly supports (Physics only) Describe how gravitational attraction pulls dust and gas together to form a protostar by using stage, timeline, pathway, before in The life cycle of a star.
- B. space-20-mcq-03 orbitrotation error: this swaps orbit with rotation and misses sequence reasoning.
- C. space-20-mcq-03 scalemix error: this mixes planet star galaxy universe scale and loses the boundary.
- D. space-20-mcq-03 evidencegap error: this gives a vague astronomy fact but omits the named evidence stage or object.
Answer
The correct option is space-20-mcq-03 sequence: red giant after hydrogen runs low correctly supports (Physics only) Describe how gravitational attraction pulls dust and gas together to form a protostar by using stage, timeline, pathway, before in The life cycle of a star.
Explanation
space-20-mcq-03 sequence: red giant after hydrogen runs low correctly supports (Physics only) Describe how gravitational attraction pulls dust and gas together to form a protostar by using stage, timeline, pathway, before in The life cycle of a star. It links red giant after hydrogen runs low to the exact learning objective instead of drifting into a nearby astronomy idea. 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. The distractors fail through orbit-rotation confusion, scale mixing, or missing evidence. Unique focus tokens: stage timeline pathway before after development transition lifecycle order.
Common mistake
The life cycle of a star common mistake 1
Giving a vague answer instead of directly addressing: (Physics only) Describe how gravitational attraction pulls dust and gas together to form a protostar..
Answer by clearly explaining how to (Physics only) Describe how gravitational attraction pulls dust and gas together to form a protostar..
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