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If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
Sale & Press
If you are interested in selling our products, need more information about our brand or wish to make a collaboration, please contact us at press@yourdomain.com
Was the mysterious 30megaton blast that flattened a Siberian forest in 1908 actually caused by a small black hole? Does matter drawn into a black hole reappear out the other side as antimatter, a sort of mirrorimage of the universe as we know it? Could back holes explain the Big Bang? Does their existence raise the possibility that matter can move faster than the speed of light? The noted scientist and science fiction author explores the exciting implications of black holes, taking the reader on an engaging tour from the atoms innermost core to the outermost reaches of the universe.
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birth defects, or other reproductive harm.
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⚠️ California Proposition 65 Warning: Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.