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www.reference.com/science/blood-moon-98f327e46768d925

In astronomy, the term blood moon refers to a complete lunar eclipse which causes the moon to appear red. The moon looks red due to dispersed light from Earth's sunrises and sunsets that is refracted back onto the moon's surface.

www.reference.com/article/causes-blood-moon-891e9edf70270adf

A blood moon is a deep reddening of the moon caused by the Earth passing between the moon and the sun. During the period of the eclipse, light from the sun passes around the Earth and through its atmosphere. This scatters the short-wavelength blue light from the sun but...

www.reference.com/article/were-blood-moon-dates-2015-6cf8d8ca9beccf72

The dates of the 2015 blood moons are April 4th and September 15th. These dates are the final two of the 2014 to 2015 Lunar Tetrad, the first two being April 15th and October 8th of 2014.

www.reference.com/article/significance-blood-moon-8cddf6947026a395

A blood moon does not signify anything. It is a total lunar eclipse that turns a rusty red-orange or a deep blood-red color while it is in Earth's shadow. Sunlight filters through Earth's atmosphere and reaches the moon to cause the red color instead of casting dark sha...

www.reference.com/article/moons-8d0623a43d2870e7

A moon is a natural satellite consisting of solid material that naturally orbits a planet or dwarf planet. Although the Earth has just one moon, there are other planets that have more, and some that even have none. Moons and their planets often have very symbiotic, or c...

www.reference.com/article/full-moon-dates-ab4da28d223e25f

Find full moon dates at MoonGiant.com and Space.com. These website feature calendars listing moon phases as observed from the United States, as well as moon phase calculators, which allow users to input their locations to display the peak time for observing a full moon ...

www.reference.com/article/blood-moon-occur-8ddac714d9d58685

A blood moon, or lunar tetrad, does not occur on a regular schedule. However, the blood moons of 2014 and 2015 are not isolated events. Between the first century and 2014, there were 62 lunar tetrads.