There will be a 'Black Moon' this weekend in Portland. What does that mean?
KGW.com   2 days ago
ads
Read Full Story
There will be a 'Black Moon' this weekend in Portland. What does that mean?  KGWA 'black moon' will appear in the sky this weekend, but you won't see it. Here's why  NPRWhat is a ‘black moon’ — and what makes it so rare? An astrophysicist breaks it...