The Universe allows structures to emerge only when significant mass accumulates, which takes millions to billions of years, as evidenced by current cosmic formations.
Black holes can be vastly more massive than stars, with some ranging up to tens of billions of solar masses, showcasing the diversity in cosmic structures.
Observing high-mass stars is complicated due to their rarity, short lifetimes, and our limited ability to detect them unless they are nearby.
The challenge in identifying massive stars lies in the dual constraints of their short lifespans and our observational technology, emphasizing the complexity of star formation.
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