Pictures of last night's "Blood Worm Moon," a total lunar eclipse, show the full moon looking red in the night sky.

Stargazers on nearly one half of the world witnessed a total lunar eclipse overnight, as a rare cosmic lineup caused the moon to turn a shade of red.

Anyone who managed to be awake in the early hours of Friday morning (and remembered to look at the moon) had a chance to see this year's total lunar eclipse. Here's a look at what some social media users saw and their comments about last night's lunar event.