I once had a conversation with another Christian about this, I asked her, 'how are we all gong to see Jesus coming at the same time' ? Her answer was, 'Well everybody will have their TV's & their Mobile Phones'. I had never laughed so much.
But serious, it reads in the Bible 'that every eye shall see him' this will be on that final day,
Heaven will fold back like a scroll, hows this going to happen on a ball ?
King James Bible
And the heaven departed as a scroll when it is rolled together; and every mountain and island were moved out of their places