There is no doubt that the Big Bang model of cosmology is one of the most widely accepted theories that explain the origin of the universe. However, it would be inappropriate to say that the entire world agrees with this theory because there have been disagreements even in the scientific community.
Scientific ideas are always changing, based on new evidence. The universe is about 13.8 billion years old, while humans have only been on earth for 800,000 years, and the Big Bang theory was propounded only about 100 years ago. Although the available scientific evidence supports the Big Bang model and refutes other theories, a new model may some day be proposed which provides an even better fit.
In this article, we will discuss other possibilities that have been proposed as alternatives to the Big Bang model.
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