The universe is a slow-changing place. While it’s mostly true that the heavens and the deep-sky objects in it will look largely the same across an average human lifetime, there are dramatic examples that defy this trend.



Summary

While the universe seems static over a human lifespan, some celestial events demonstrate dramatic changes. Contrary to the general stability of stars and deep-sky objects, certain occurrences like supernovas or merging galaxies showcase the universe’s dynamic nature. These events, though rare on a human timescale, remind us that the cosmos is not entirely unchanging and that significant transformations are continually unfolding across vast cosmic distances.

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