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![The Known Unknowns: The Unsolved Mysteries of the Cosmos The Known Unknowns: The Unsolved Mysteries of the Cosmos](https://cdnmaster4.circlesoft.net/assets/spinner-lg-50db1f192d4343916a920054bb6922e5b26a413f1cb422daacf72cddb56fdcf5.gif)
The Known Unknowns: The Unsolved Mysteries of the Cosmos
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Internationally known theoretical physicist and bestselling popular science writer Lawrence Krauss explores cosmology's greatest unanswered questions.Three of the most important words in science are 'I don't know'. Not knowing implies a universe of opportunities - the possibility of discovery and surpri...
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