Has it already happened?

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[–] 2 points 2 months ago (2 children)

Hair grows over time and yesterday it was under 3 inches today it's over 3 inches. A tiny change over a threshold.

There's a threshold of visibility for stars. Yesterday it wasn't visible to the eye. Today it's barely visible.

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  • [–] 5 points 2 months ago

    Yes, and as per the comment you originally replied to - there isn't a moment there where the star appears to "turn on". To put it more simply, a star sort of "fades in". You wouldn't really percieve the fade beginning, in the same way you don't perceive hair growing... Probably not the greatest analogy but I thought it'd help make sense of it...

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