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1. ALMOST ALL OF ORDINARY MATTER (99.9999999% OF IT) IS EMPTY SPACE. IF YOU TOOK OUT ALL OF THE SPACE IN OUR ATOMS, THE ENTIRE HUMAN RACE( ALL 7 BILLION OF US) WOULD FIT INTO THE VOLUME OF A SUGAR CUBE Credit: Business Insider.
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THERE MIGHT BE AS MANY AS THREE SEXTILLION STARS IN THE UNIVERSE. THAT'S 3 FOLLOWED BY 23 ZEROS, OR 300,000,000,000,000,000,000,000. THAT'S MORE THAN ALL OF THE GRAINS OF SAND ON EARTH. Credit BBC