What are the accepted boundaries of our solar system—in all three dimensions?
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If you’re looking for a set distance, there isn’t one. A region called the heliopause is generally considered the edge. You might also hear about something called the termination shock, which is a related phenomenon. It’s where the solar wind begins to crash into interstellar dust and radiation, but we’ve not mapped it’s full extent.
You also have objects orbiting beyond that which are arguably part of the solar system too. So what is considered the edge is also something of an open question.
It’s a bit like asking “where is Africa” on a globe and expecting to be able to mark all of it with a single dot.
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