3 ms·
Per wikipedia, dimming by 3 magnitudes means Betelgeuse will still be at +3-+4.6, which is probably too dim to be seen in a city, but still plenty bright.
by bigbillheck 3y ago
Per wikipedia, dimming by 3 magnitudes means Betelgeuse will still be at +3-+4.6, which is probably too dim to be seen in a city, but still plenty bright.