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Out of a survey of only 12,000 Milky Way Stars, and nearly 800 of them that disappeared, that's a loss of 6%.
That is over a 70 year period, so maybe the original star surveys in the 1950's were inaccurate (hot pixels??).
As Anton says there is just too many stars that have disappeared to be caused by a supernova or by quickly collapsing into black holes.
My explanation (guess) is interstellar dust, similar to what caused Betelgeuse brightness to dim recently.
Last edited by billdan; 26-09-2021 at 12:39 AM.
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