The four primary phases of the moon (new moon, first quarter, full moon ... this would be the real half moon)," NASA wrote in its moon guide. "The moon is opposite the sun, as viewed from Earth ...

Google's Rise of the Half Moon November Google Doodle celebrates the lunar cycle with an interactive and educational card ...

This points to a long period of volcanic activity - at least 1.4 billion years - on the far side during the first half of the moon's history, when it was a more dynamic world than it is today.

"Tomorrow marks the Final Quarter of November's lunar cycle, or 'Half Moon,'" the screen reads. "The Half Moon is the turning point in the lunar cycle, shifting the balance between light and dark like ...

With enhancements underway, Half Moon Cay will be renamed to emphasize the relaxation and peace at the private destination.

"The Half Moon is the turning point in the lunar cycle ... New moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter and waning crescent.