As of September 2014, there are three more blood moons expected to occur within the next two years. They are predicted to occur on Oct. 8, 2014, April 4, 2015, and Sept. 28, 2015. More »

To find out when the next full moon will be, use an online directory of full moon dates or make an educated prediction based upon the moon's current place in its cycle. Some online directories of moon dates include MoonG... More »

Depending on the time of year and phase of the moon, Venus, Mercury, Mars, Jupiter or Saturn may appear as a bright planet next to the moon in the night sky. For example, in April 2014, Saturn appeared just to the lower-... More »

Tidal energy comes from the rising and falling of oceanic tides, where water moves because of the gravitational relationship between the Earth and the moon. The Earth's rotation is also a component of tidal energy. Tidal... More »

Tides are primarily driven by the gravitational forces of the sun and the moon. Low tide, when the water is lowest at the location of interest, occurs at different times in different locations. As the moon orbits earth, ... More »

Tides are formed by a combination of gravitational attraction from the moon and the sun, as well as the centrifugal force generated by the rotation of the Earth. The position of both celestial bodies affects the surface ... More »

Tides occur when the gravity of the moon partially cancels out Earth's gravity, allowing a bulge to form in the water on Earth's surface. One high tide occurs directly underneath the moon, while another occurs on the opp... More »

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