was the journey to the center of the earth successful? Why / Why not?

ايه السؤال صعب ولا ايه فين الأساتذة الكرام

it was successful as they returned alive and the prof. came true of what he had read on the parchment .

السؤال سهل على فكره واى اجابه تنفع بتهيالى لان ده راى انا بتهيالى كده
والجابه اهى عادى من وجهة نظرى
Yes,it was successful because they made the journey to the centre of the earth and returned to the surface of the earth alive