The Star is explained using cause and effect reasoning modeled after Sir Francis Bacon, the father of the scientific method, who defined complete knowledge as knowledge by causes. Convincing justification is presented for correcting two errors that have led theologians and astronomers down the wrong path for hundreds of years. Once the date of Herod's death commonly quoted from the writings of the Jewish historian Josephus as 4 B.C. is corrected to 1 B.C. and the meaning of "weeks" in Daniel 9:25 is also corrected to mean Sabbatical Years, a most complete, easily verifiable and God-honoring explanation of the Star unfolds. Astronomical, geographical and theological reasoning identify the year, month, day and hour the Magi saw the Star. The Magi knew before they began their trip to Jerusalem that the Messiah would be announced by two very bright astronomical conjunctions - close passes - of Jupiter and Venus. The first on August 12, 3 B.C. just before sunrise and the second on June 17, 2 B.C. after sunset. The first is the time when Jesus was born and the second was the evening the Magi followed the Star to Bethlehem. Therefore the Magi visited Jesus about 10 months after the Shepherds' visit (Luke 2) on or after August 12, 3 B.C. The duration of each conjunction of Jupiter with Venus when they were so close as to appear as one object lasted only a few hours. Between those two conjunctions Jupiter passed Regulus, the brightest Star in Leo, three times; all five conjunctions occurred in the constellation Leo. The Magi came to Jerusalem in search of answers to two critical questions: where to begin their trip once the Star appeared and where to stop at their destination. Both must be known if the purpose of following the Star is to arrive at a specific destination; direction alone is not enough. They learned the answer to the first question on June 17, 2 B.C. at the secret meeting with King Herod held at Herod's Herodium fortress a few miles southeast of Bethlehem. That meeting concluded with Herod telling the Magi to go to Bethlehem, so their starting position was fixed at the Herodium. As evening fell they followed the last conjunction on a bearing of 293 degrees until it set behind the highest ridge in Bethlehem where the Church of the Nativity now stands. The star's setting behind the ridge was the answer to the second question. While traveling between 5:30pm and 9:30pm the full moon provided enough light to navigate the hilly terrain along the way. Every attribute of the Star found in the second chapter of Matthew is addressed and explained. The Magi were expecting to see the last conjunction on June 17th since they had already observed the first four of the five conjunctions their ancestors saw 62 sabbatical years earlier in 430-429 B.C. Archeological evidence in the form of cuneiform tablets verify that the Babylonians took great interest in predicting the locations of Jupiter and Venus, even to have invented calculus to do so. Using their method, the calculated positions of Jupiter were within one day of the positions derived from the SkySafari Pro software locations for 430-429 B.C. This correlation of the timing of astronomical conjunctions with the Sabbatical years (weeks) told to Daniel by the Angel Gabriel (Daniel 9:25) suggests a very interesting, straight forward understanding of the 7 week and 62 week divisions of time in this Messianic prophecy. A close look at the decree in Daniel 9:25 reveals that two decrees - not just one - were actually made allowing a more confident determination of when the countdown to the 7th Sabbatical year began. We are left with the question of how two nearly identical sets of five conjunctions that reasonably explains all attributes of the Star could occur on the same two Sabbatical Years prophesied by the Angel Gabriel, separated by more than 400 years? Dismissing the extremely remote possibility that all this happened by chance raises the most amazing conclusion of all: that the Earth, Venus and Jupiter were initially placed in their specific orbital locations when they were created. The Star that announced His Birth and led the Magi to where He was located in Bethlehem ten months later was planned by the omniscient and omnipotent God of the Bible at the dawn of creation when He placed celestial objects at specific positions in their orbits. He knew where to place them so that after thousands of years of orbital changes caused by gravitational and relativistic effects and collisions, they would all be at His intended location in Leo and at His intended time to announce the birth of His Son. This was, by far, the grandest Birthday announcement ever made - authored by the Creator Himself - announcing the grandest gift ever given to mankind, for by receiving this gift the doors to heaven have been opened to all who accept it.