"Well, that time isn't a separate thing, apart from space. They make a thing together, and that's space/time. But I know that there isn't any time at all if there isn't mass in motion."
exhilarated by the colors drifting from the trees, dappling her hair with reflected amber and bronze. The sun shone with a golden haze through a muted blue sky. Leaves whispered to the ground. The air was crisp, but not cold. She hummed with contentment.
mass and energy are equivalent, so any energy an object uses would add to its mass, and that would make it harder to increase its speed.""And as it approached the speed of light?""Its mass would be so enormous that it couldn't ever get to the speed of light"
"You can't separate space travel from time travel."
"One theory I find rather comforting is that time exists so that everything doesn't happen all at once."
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