Back to Questions
Want to know:
Why is it surprising that spiral arms are stable structures, lasting billions of years?a.Supernova explosions should disrupt the arms.b.Globular clusters are continuously passing through the arms.c.Differential rotation should tear the arms apart.d.Gravity should pull the arms down into the center of the galaxy.e.Gas and dust clouds should run out of material to make young stars.
Get a detailed, AI-powered explanation for this question and thousands more on StudyFetch.
Get the Answer for FreeHow StudyFetch Helps You Master This Topic
AI-Powered Answers
Get instant, detailed explanations powered by AI that understands your course material.
Deep Understanding
Go beyond surface-level answers with step-by-step breakdowns and examples.
Personalized Learning
Sparky adapts to your learning style and helps you connect ideas.
Practice & Test
Turn any question into flashcards, quizzes, and practice tests to solidify your knowledge.
Explore More Questions
- A quoi sont destinés les triglycerides synthétisé dans le tissu adipeux?
- Lorsque l'air descend, elle crée une zone de (1) pression appelée (2)
- The geocentric model was supported by Aristotle because?- (stars didn't seem to show any parallax, we don't feel that the Earth moves, objects fall towards the center of the Earth, and not to the center of the Sun, we don't see an enormous win, all choices given)