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Tags

1. #objects
2. #external
3. #falls
4. #there
5. #universe
6. #friction
7. #determine
8. #other
9. #black
10. #their
11. #forming
12. #location
13. #brightest
14. #stars
15. #orbiting
16. #accretion
17. #heated
18. #orbits
19. #matter