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big bang

  1. ynot

    Singularity/Expanding Universe questions

    How can any size be attributed to the Singularity? Given it represents all of existence, what else is it being measured against? Can it somehow be measured against itself internally? Is the Universe that expanded from the Singularity still a Singularity? The internal structure may have changed...
  2. Puppycow

    Big Bang

    This book is written for a general audience, and basically is a review of the history of cosmology from the ancients to about 1992, with an epilogue that discusses the more recent developments such as dark matter and dark energy, which are questions yet to be solved conclusively. Beginning...
  3. B

    Another Problem With Big Bang?

    I found this article interesting: http://www.eurekalert.org/pub_releases/2007-08/cxc-dmm081607.php "Dark matter mystery deepens in cosmic 'train wreck, Public release date: 16-Aug-2007" It states that Then it notes two possible explanations. If the second is what it takes, then the Big...
  4. W

    Stupid physics question #29

    Okay, I apologize in advance for asking what must be a rather obvious question to everyone out there, but... Suppose that the age of the universe is 14BY and the most distant object we can see is 13B lightyears away (I picked these because they seem to be close to the actual values while still...
  5. MilwaukeeMike

    Astronomers look back 13.2 billion years in space

    So I read an article the other day that astronomers have looked 13.2 billion years back in time basically, or roughly 500 million years before the supposed big bang. So if the big bang actually happened, could astronomers finally prove it by looking back that extra 500 million years? Would...
  6. Diabolos

    Why the Big Bang Couldn't Have Happened

    There's a xtian radio station here in the UK called Premier, and each weekend they have a show which pits a xtian vs. a non-xtian. This week they had some evangelical type called Nigel Desborough against an atheist, and he came up with this beauty: Yes, he really said that.
  7. cj.23

    Steady State hypothesis? any evidence?

    Being used to woo of all kinds, I was wondering today - The Steady State theory (I associate it mainly with Hoyle...) is there actually any good reason to consider it? Please bear in mind i know nothing about astrophysics,and have not the slightest idea where to start looking to answer my...
  8. Crazycowbob

    Compressed Matter

    I've been reviewing some of my physics, and upon thinking about black holes, a question popped into my head. Maybe some of you more studied folks can add some clearification :) I know that under the emense gravity of a black hole, atoms are pulled so strongly together that they collapse...
  9. CurtC

    Misconceptions about the Big Bang

    The Scientific American site has a fairly long article intending to clear up people's misconceptions about the Big Bang: http://www.sciam.com/article.cfm?chanID=sa006&articleID=0009F0CA-C523-1213-852383414B7F0147&pageNumber=1&catID=2 It's written for the layman in a very understandable style...

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