thin crescent moon sightings

Astro-Challenge: Spotting Slender Moons

Up for a challenge? Some of the toughest targets for a backyard observer involve little or no equipment at all.…

6 years ago

Black Moon: Why the New Moon on February 18th is Special

Did you hear the one about last month’s ‘supermoon?’ Yeah, we know. The hype was actually for an event that…

10 years ago