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Old 19-June-2008, 06:46 PM
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Default Volume of the universe in standard notation

Am I right that the universe is roughly 68,400,260,400,000,000,000,000,000,000,000,000,000 ,000,000,000,000,000,000,000,000,000,000,000,000,0 00,000 cubic meters in volume?

What if you had 68,400,260,400,000,000,000,000,000,000,000,000,000 ,000,000,000,000,000,000,000,000,000,000,000,000,0 00,000 monkeys at typewriters? Would they recreate the entire works of William Shakespeare?

These are completely irrelevant things I want you to ponder.
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Old 19-June-2008, 07:25 PM
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Have to qualify the question some. the universe is 13.8 billion years old, and because it continually expands, I've read this makes the observable universe a sphere of radius around 45 billion light years. So, I'll take this observable portion as "the universe" as, for all we know, the true size could be infinite.

So, the volume is, keeping things to just a couple significant figures, 1.3333*3.14*(45 billion)^3 cubic light years. Light travels about 300,000,000 meters per second, and there are about 3600*24*365 seconds in a year, so there are ((3x10^8)*(3600*24*365))^3 cubic meters in a cubic light year. The final answer is, rounded to a few significant figures,

323*10^80 cubic meters.
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Old 20-June-2008, 07:16 PM
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What's that in six-packs?
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Old 20-June-2008, 10:00 PM
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Quote:
Originally Posted by tdvance View Post
Have to qualify the question some. the universe is 13.8 billion years old, and because it continually expands, I've read this makes the observable universe a sphere of radius around 45 billion light years. So, I'll take this observable portion as "the universe" as, for all we know, the true size could be infinite.

So, the volume is, keeping things to just a couple significant figures, 1.3333*3.14*(45 billion)^3 cubic light years. Light travels about 300,000,000 meters per second, and there are about 3600*24*365 seconds in a year, so there are ((3x10^8)*(3600*24*365))^3 cubic meters in a cubic light year. The final answer is, rounded to a few significant figures,

323*10^80 cubic meters.
Well, actually I did the calculations based on the observable universe, 13.7 GLY in radius.
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