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How Big Was the Universe When It Was First Born?
StartsWithABang writes: Looking out at the distant stars, galaxies and radiation in the Universe today, we've been able to determine not only what it's made out of, but how long it's been since the Big Bang: 13.8 billion years. Put all that information together, and you can also figure out how large the observable part of that Universe is today. From our point of view, it appears to extend for 46.1 billion light years in all directions. So what if you extrapolate backwards, to the very end of inflation and the start of the hot, dense state we identify with the Big Bang, and ask how large that 46.1 billion light year "size" was back then? How big would it be? Depending on the particulars of when inflation came to an end, the answer is somewhere between the size of a soccer ball and the size of a city block, no smaller and no larger.
Note that this is only talking about the portion of the original the universe that became today's observable universe. There's absolutely no reason to believe that the size of the observable universe is the size of the total universe (and we happen to be at the very dead center of it.)
There is good reason to believe that the universe is far far larger than the observable universe, and it may even extend infinitely in all directions, for all we know. Measurements on the curvature of the universe make that a plausibility.
Millennials want information to be free. It's part of their cosmic (scaled) sense of entitlement.
Fixed that for you.
How the fuck are the cocksucker shitstains at Forbes detecting that I am running AdBlocker, and how can the motherfucking logic be defeated?
This^ is the reason for all the Ethan/Forbes hate, narcissistic nerds absolutely hate somebody who can slam the door shut on their hand crafted, ad-free, browser. Especially when that "somebody" is the marketing department of a mainstream financial rag.
And did you exchange a walk on part in the war for a lead role in a cage? - Pink Floyd.
Like the C in CCCP stands for "union" (well, the first one).
There is no "CCCP". Unless you use the Cyrillic letters, it's written SSSR. With slashdot not accepting other character sets than ISO-8859-1, the transliteration of Cyrillic Es and Er are to Roman S and R.
Writing CCCP is as wrong as writing MOCKBa.
100 years ago, every sport played off horseback was "football".
Like golf, cricket, croquet, boxing, wrestling, handball, water polo, darts... All football!
Were we a wee bit liberal with the bottle of holiday cheer this year?