Simplify the following text for a Grade 9 native English-speaking person.
Original: In Christian tradition , the Star of Bethlehem , also called the Christmas Star , revealed the birth of Jesus to the magi , or `` wise men '' , and later led them to Bethlehem .
Simplified: The Star of Bethlehem , also called the Christmas Star , is a star in the Bible and Christian tradition that let the Magi know that Jesus was born , and later helped them go to Bethlehem .