What visual event distinguishes a Blood Moon from a Black Moon?

Answer

A Blood Moon is a visible total lunar eclipse where the Moon turns red; a Black Moon is invisible and has no inherent change in color or physical state.

A Blood Moon is a visible event—a total lunar eclipse causing a distinct red hue—while a Black Moon is simply a New Moon phase, rendering it dark and invisible.

What visual event distinguishes a Blood Moon from a Black Moon?
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