Rare Black Moon Eclipse Today, Sun Unleashes X Flare That Creates Strong R3 Radio Blackout

- There’s an extremely rare celestial event happening Saturday night, and you won’t want to miss it. Ever hear of a Black Moon? Though it’s not an official astronomy term, a Black Moon is when there’s a second new moon in a calendar month — you can consider it the companion to a Blue Moon, which is a second full moon in a calendar month. #BlackMoonEclipse #Eclipse #News Learn More: