Where Is the Edge of the Solar System?
Briefly

Sharp boundaries are comforting for humans as they simplify categorization and trend analysis. However, they can mislead when applied to inherently fuzzy concepts like the boundaries of the solar system.
Defining the outer limits of the solar system can be complex due to objects like trans-Neptunian objects (TNOs) bound by gravity and the vast Kuiper belt and Oort cloud, challenging traditional definitions.
The arbitrary nature of drawing boundaries like those of the solar system highlights the limitations of clearly delineating concepts beyond what is easily observable.
Science stories like recent space news serve as reminders of the complexities and limitations of setting clear boundaries and definitions in natural phenomena.
Read at www.scientificamerican.com
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