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06-26-2008, 10:00 PM
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rhnr:
There is a question regarding the increasing speed that the Universe is expanding. It is stated that it is against the gravity theory. how would you address that paradox?
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Last edited by r8dmarshall; 06-26-2008 at 10:05 PM.
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06-26-2008, 10:04 PM
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Cord:
Light has been defined as a photon, an energy particle, and it is said to be solid. Beyond that???????????
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06-26-2008, 10:35 PM
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Quote:
Originally Posted by r8dmarshall
Cord:
Light has been defined as a photon, an energy particle, and it is said to be solid. Beyond that???????????
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How much mass does a photon have, though?  |
07-02-2008, 09:24 PM
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I donot know. I am not sure whether an estimation has been made. How much mass does solar wind have is in the same catagory.
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07-02-2008, 09:34 PM
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Machiavelli Incarnate
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Quote:
Originally Posted by Cordelier
How much mass does a photon have, though? |
Quote:
Originally Posted by r8dmarshall
I donot know. I am not sure whether an estimation has been made. How much mass does solar wind have is in the same catagory.
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Actually, photons have no mass, or zero resting mass. They do however have momentum and a realativistic mass can be implied.
An equation often used is; E2 = m2c4 + p2c2 for a photon, m=0 so E = pc or p = E/c. |
07-03-2008, 07:38 PM
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Quote:
Originally Posted by Back Atcha
Actually, photons have no mass, or zero resting mass. They do however have momentum and a realativistic mass can be implied.
An equation often used is; E2 = m2c4 + p2c2 for a photon, m=0 so E = pc or p = E/c.
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Exactly! How weird is that? |
07-03-2008, 09:54 PM
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Machiavelli Incarnate
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quantum wierd. God I love QM
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07-04-2008, 12:36 AM
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Quote:
Originally Posted by Back Atcha
quantum wierd. God I love QM
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*L* You know that we're all probably just a dream in some Schrödinger catnap, right? |
07-07-2008, 04:00 PM
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Hmm?
Quote:
Originally Posted by Cordelier
Exactly! How weird is that?
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What is the c in the equation back atcha?
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07-07-2008, 04:03 PM
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Also, are there any takers on the expanding univerce increace in speed?
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