Since before the advent of writing, the Moon and its various phases have played an integral part in how we view life around us. From influencing crop rotations, calendars, and even religious holidays, the phases of the Moon have gone on to have deep and long lasting significance in history.

When you look up at the night sky, do you ever wonder why the Moon changes over the course of a month or why it is sometimes not visible? Why are only some portions of the Moon illuminated during some nights, and what explains this process? Answering these questions lie at the heart of understanding the Moon, and can be quite surprising.

How was the moon created?

The Moon was created when a rock approximately the size of Mars slammed into Earth during the early... read more

Surface of the moon

Over the next 300 million years, it developed the surface we are familiar with as millions of rocks pummeled into ... read more

How big is the moon?

The Moon has a diameter ¼ that of the Earth. As a result, about 49 Moons would fit... read more

Temperature on the moon

The Moon can be very very hot during the day, reaching nearly 224 degrees... read more

Distance to moon

The Moon is an average distance of nearly 240,000 miles from Earth. That is about 80,000 times longer than ... read more

Moon Phases

Phases of the Moon are based on what observable portion of the Moon is illuminated by the sun. At all times, half... read more

How long is a lunar cycle?

The Moon has phases because it is rotating around Earth in a lunar cycle. It takes the Moon... read more

Does the moon orbit the earth?

As the Moon is rotating around the Earth, the Earth isn’t standing still. It is rotating... read more

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