Original sentence: An additional theory such as one listed in the "Speculative physics beyond the Big Bang" below must be used in addition to the Big Bang theory when considering its origin or pre-history, but it is not yet known which, if any, applies
Edited sentence: "  Unfortunately, that question cannot be answered scientifically, as no observers were present to observe the initial explosion.Perhaps the most serious problem with the Big Bang theory is the lack of a reasonable answer to the question, "Where did the material come from which initiated the Big Bang.Therefore, this problem must be ignored and relegated to the realm of religious belief, as it is unanswerable by scientific means