The universe is a vast, wondrous and strange place. What would happen if you traveled through it in a straight line forever? Could you return to your starting point? The key lies in understanding the expanding universe. Simple, right? Big Think unpacks it all in this head-spinning article by Ethan Siegel that will have you asking what the original question was. https://flip.it/8r3P1l #Science#Space#Universe#TimeTravel#SpaceExploration
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