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Steven Hawking and 32 of his fellow scientists have written an angry letter about the origins of the universe in response to a recent Scientific American article about the same topic. Hawking, an English theoretical physicist, cosmologist, and author and Director of Research at the Centre for Theoretical Cosmology within the University of Cambridge, wrote the letter in “categorical disagreement.”

The Scientific American article challenged the cosmic inflation theory and suggested scientists look for new ideas on the origins of the universe. But Hawking took issue with the new ideas presented. Titled Pop Goes the Universe, physicists Anna Ijjas, Paul J. Steinhardt, and Abraham Loeb examine the latest measurements from the European Space Agency relating to cosmic microwave background (CMB). CMB is the oldest light in the universe which is said to have been emitted during the “Big Bang” (the universe’s beginning) around 13 billion years ago. In 2013, a map of the CMB appeared to show how the universe inflated extremely fast, before settling down to become the universe we see today. This, many experts said, backed up models relating to inflation theories, where the universe expanded exponentially fast a fraction of a second after the Big Bang.

Time Magazine stated that Hawking and his colleagues firmly believe in the Big Bang Theory, so their angry reaction letter was perfectly predictable – even though it is just a theory, like the proposed “Big Bounce.”


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