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Old 02-08-2014, 11:31 AM   #13
JFP in PA
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Join Date: Feb 2005
Location: It's a kind of magic.....
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Quote:
Originally Posted by pothole View Post
There's no reason why you couldn't get so close as to be essentially the speed of light.

99.9999999999999% is possible (though would require epic amounts of energy). That said, accelerating to large fractions of the speed of light in a conventional manner is not the solution to travel large distances in cosmic terms!
The mathematics implies that to obtain and sustain just 50% of light speed in a vessel massive enough to be practical for inter galactic travel, the total amount of propulsive energy needed would become staggering to the point of absurdity.
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