The Singularity on Instagram: "The Big Bang theory is the leading scientific explanation for the origin of the universe. It proposes that around 13.8 billion years ago, the universe began as an extremely hot, dense point, often called a singularity, which then expanded rapidly in a process known as cosmic inflation. This expansion caused the formation of space, time, matter, and energy, setting the stage for the universe we observe today. Key evidence supporting the Big Bang includes the cosmic

How does the expansion of the universe support the premise that “the universe began to exist”? | John Ankerberg