Westonci.ca is your go-to source for answers, with a community ready to provide accurate and timely information. Explore our Q&A platform to find reliable answers from a wide range of experts in different fields. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform.

According to the Big Bang theory, what event marked the beginning of the universe as we know it today?
A) The rapid expansion of matter and energy from a singular point
B) The collision of multiple galaxies leading to a massive explosion
C) The formation of stars and planets in the early universe
D) The sudden appearance of cosmic radiation