it's a "Cheshire cat smile" eclipse. This rare celestial event happens, well, once in a blue moon. In areas that fall in the path of annularity, people will see a celestial ring of fire ...

Although many lunar phenomena are one-night-only events, a ring around the moon is much less elusive. Also known as a lunar halo, a bright white ring of light around the moon can appear anytime ...

This celestial event is sure to make you smile. In the wee hours of this Thursday morning, the night sky will light up with a unique illusion courtesy of an alignment between Venus and the moon.