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forum Forum index forumQM notes 1 forumCosmology

Author : Topic: Cosmology  Bottom
 saucer
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 Posts : 674
 A Good Tautology is Hard to Find!
 saucer
  Posted 02/01/2007 00:35:12 AM
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 saucer
 admin
 Posts : 674
 A Good Tautology is Hard to Find!
 saucer
  Posted 19/03/2007 00:01:25 AM
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 Iseason
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 Posts : 102
  Posted 21/04/2007 07:02:26 AM
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hi guys.
a grave flaw exists in cosmoligy.Unless the universe builds itself from the outside in.

  As described, If the original motion were inwards instead of outwardly , the central core of the big bang can still occur but for different reasons. Such as the variation in available space for motion of a particle. The fact that something observable as a radical event (original big bang ) cannot negate that at the outer rim of the universe the same amount of matter would be much less detectable. with varying amounts of density depending on region.
  So where pre-big bang theory relies on "going into the central event" , this may be the wrong place to be looking.The shape of the model is telling in itself.Since we do have time , there must be events that occurred before we were born.These events would not be visible to us (as light travelling distances is)If an event happened within the bounds of light travel to earth 'limits', the event will have crossed our path and only be visible as from behind it.

  Say something happened last year on mars. The light reached us in a certain time frame. but the energy that missed us is one light year away in space. If I travelled away from Mars at light speed , Why would the image simply not remain as a constant. Blurryer perhaps , but the same image, Particularly where the starpattern behind Mars is concerned.

In fact , what the scenario shows is that infact only one photon width of light can exist either forwards or backwards.Any other angle creates a speed difference which will cause the image to be left behind. probably via redshifting or blueshifting. (depending on direction)

Cheers
Iseason

Cheers
Iseason  

--Last edited by Iseason on 2007-04-22 05:01:32 --

The Universe........Not bad for an old fart......
 saucer
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 Posts : 674
 A Good Tautology is Hard to Find!
 saucer
  Posted 03/08/2007 01:51:14 AM
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Very High Energy gamma-rays do not occur naturally on Earth. They are associated with the acceleration and interaction of relativistic particles at energies beyond those achievable in man-made accelerators. Gamma-ray astronomy is the astronomy of the "non-thermal universe", tracing the most violent and energetic phenomena at work inside our galaxy and beyond. These phenomena include the explosive deaths of stars (supernovae or hypernovae), the particle winds and shocks driven by neutron stars spinning on their axes millions of times faster than the sun, and the superluminal jets of active galaxies powered by super-massive black holes. Unlike charged cosmic ray particles, gamma-ray photons wing their way directly to us without having their paths bent by galactic and extra-galactic magnetic fields. They are also more penetrating than light of longer wavelengths, so less easily absorbed by the gas and dust surrounding feeding black holes. VHE gamma-rays therefore offer a unique insight into some of the most extreme regions of our universe. The only trouble is, there are very few of these exceptionally energetic photons, so satellite detectors simply aren't big enough to catch them. We need instruments which can collect gamma-rays from an area the size of a couple of football pitches...




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