As darkness fell across the globe on April 15, 2014, millions of people around the world turned their eyes toward the darkening night sky, anxious to see a Blood Moon fill the heavens. But this was no ordinary Blood Moon. The Blood Moon appeared on the Feast of Passover, and was just the beginning of a rare astronomical event in history ? the tetrad.According to NASA, the next Blood Moon in the tetrad will appear on October 8, 2014, during the Feast of Tabernacles. What does this mean, and why is this significant? Why does the Blood Moon look so red? Why are the Blood Moons mentioned in the Bible as a sign of the end times? Has this ever happened before, and will it happen again?Understanding the Blood Moons will answer these questions and more, and will help you to discover the historical and biblical significance of this unfolding event. This easy-to-understand presentation of the Blood Moon tetrad phenomenon will bring new insight as you explore this mystery of the heavens and its relevance to the times in which we live.