The big questions of Christianity include: What is Christianity? Are the canonical gospels valid? What are the searches of the historical Jesus? Who is Jesus? Did the historical Jesus exist? Does the religious Jesus exist? What is the Son of Man? What are the messianic prophecies? Is Jesus the Biblical Messiah? Why don´t Judaists accept Jesus as the Messiah? Who is God? What is the relevance of the Name of God? Is Jesus the same God? What is the Christian trinity? Is Jesus religious or esoteric? What are the differences between Christianity and New Age? When was Jesus born? Where was Jesus born? Why are there two different genealogies of Jesus? Is Mary a virgin? Did Jesus have brothers? Who is Mary Magdalene? What happened during the lost years of Jesus? How long did Jesus preach? Why didn´t Jesus leave written documents? How many trials did Jesus face? Why was Jesus condemned? What is the position of Christianity regarding human suffering? When did Jesus die? Why are there four different stories about the resurrection of Jesus, in the canonical gospels? What is the relevance of the resurrection of Jesus? What is the ascension of Jesus? What is the grace? How is salvation obtained? Why is the Christian cross so relevant? How did Christianity arise and spread? What was Paul's role? How to describe the book of Revelation? What is the meaning of the book of Revelation? What are the relevant facts of Apocalypse?