Compared to the stellar count, what is the confidence level regarding the *number* of dark matter particles?

Answer

Much lower, relying entirely on gravitational inference

While confidence in the stellar count is moderate, confidence in the specific *number* of dark matter particles is much lower because it relies entirely on gravitational inference rather than direct observation of luminous objects.

Compared to the stellar count, what is the confidence level regarding the *number* of dark matter particles?

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