/u/tophatnbowtie's posts
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What happens to an object in infinite free fall or does an object at relativistic speeds affect slower objects it passes near?
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The edge of the observable universe is about 46.5 billion light-years away. How can we observe it if the universe is only 13.8 billion years old?
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[WP] Elon Musk's Tesla hurtles through the darkness of space. The live feed shows an unchanging image of Starman with his arm resting on the door. Suddenly he moves.
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