Recent content by CosmiCarl

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    Light-Years, Horizons & the Age of the Universe

    Older than the Universe? I understand all the underpinnings, thanks, guys. But now I am a little confused: If the age of the universe is thought to be 13.7 Billion Years, and nothing can travel faster than light, how can anything be more than 13.7 Billion Light Years distant? This just...
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    Light-Years, Horizons & the Age of the Universe

    45 Glyr Thanks, Marcus. Is that number only theoretical, or is there some obsevational data to support it? CosmiCarl
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    Light-Years, Horizons & the Age of the Universe

    Is it accurate to say: The Light-Year distance from Earth to the Surface of Last Scattering (= CMB location) EQUATES TO the Age of the Universe (13.73 Gyr)? (ignoring units conversion factors). Would an observer, say 13.0 G Light-yr from us, ALSO see the CMB the same distance away...
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    Gravity and developments in GR after WMAP 5 year data

    Fudging I just voted, and I mostly agree with MeJennifer's words, above. But I do not agree when she says a theory with ANY Fudge Factor is bogus. It is the MAGNITUDE of the fudging that bothers me. Certainly, GR successfully predicted Gravitational Lensing and Time Dilation, BUT, when...
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    How Do Black Hole Masses Compare to Normal Matter in the Universe?

    Wallace, Thanks for the clarification and especially the great link. It would have taken me a long time to find such a resource by myself! One more question: Is it generally thought that ALL black holes cause Hawking Radiation? CosmiCarl
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    How Do Black Hole Masses Compare to Normal Matter in the Universe?

    Thanks for your reply! I should have said "the OBSERVABLE Universe". Thanks for anticipating what I MEANT to say! OK. What evidence led to that 1% ?
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    How Do Black Hole Masses Compare to Normal Matter in the Universe?

    Are there any estimates of the total aggregate mass of all the black holes in the universe? How does this compare with the estimated total mass of all normal matter in the universe?
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