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| Tags: gravity, photons |
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#1
February 8th 06
posted to sci.physics
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Photons and gravity
A photon has momentum. Does that mean that a photon creates a field of
gravity? For example, when a photon passes near a star then the photon is pulled by the star's gravity, but also (in a very tiny way) the star is pulled by the photon's field of gravity? al. 
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#2
February 8th 06
posted to sci.physics
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Photons and gravity
"Anders" wrote in message oups.com... |A photon has momentum. To have momentum, (p = mv) you need a mass moving at a speed. a photon without mass is a complete bull**** twist of reality.
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#3
February 8th 06
posted to sci.physics
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Photons and gravity
Anders wrote:
A photon has momentum. Does that mean that a photon creates a field of gravity? For example, when a photon passes near a star then the photon is pulled by the star's gravity, but also (in a very tiny way) the star is pulled by the photon's field of gravity? Essentially.
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#4
February 8th 06
posted to sci.physics
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Photons and gravity
Space**** wrote:
"Anders" wrote in message oups.com... |A photon has momentum. To have momentum, (p = mv) you need a mass moving at a speed. a photon without mass is a complete bull**** twist of reality. Space**** doesn't understand any modern physics. Light has momentum http://scienceworld.wolfram.com/physics/Photon.html
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#5
February 8th 06
posted to sci.physics
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Photons and gravity
Spaceman wrote: "Anders" wrote in message oups.com... |A photon has momentum. To have momentum, (p = mv) you need a mass moving at a speed. a photon without mass is a complete bull**** twist of reality. Go away, space****.
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#6
February 8th 06
posted to sci.physics
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Photons and gravity
Sam Wormley wrote: Anders wrote: A photon has momentum. Does that mean that a photon creates a field of gravity? For example, when a photon passes near a star then the photon is pulled by the star's gravity, but also (in a very tiny way) the star is pulled by the photon's field of gravity? Essentially. Do you mean that a photon really creates a field of gravity?
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#7
February 8th 06
posted to sci.physics
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Photons and gravity
Anders wrote:
Sam Wormley wrote: Anders wrote: A photon has momentum. Does that mean that a photon creates a field of gravity? For example, when a photon passes near a star then the photon is pulled by the star's gravity, but also (in a very tiny way) the star is pulled by the photon's field of gravity? Essentially. Do you mean that a photon really creates a field of gravity? All energy has equivalent mass.
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#8
February 8th 06
posted to sci.physics
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Photons and gravity
"Anders" wrote in message oups.com... A photon has momentum. Does that mean that a photon creates a field of gravity? For example, when a photon passes near a star then the photon is pulled by the star's gravity, but also (in a very tiny way) the star is pulled by the photon's field of gravity? al. Newton's third law essentially makes such a force essential. ditto conservation of momentum.
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#9
February 9th 06
posted to sci.physics
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Photons and gravity
Sam Wormley wrote: Anders wrote: Sam Wormley wrote: Anders wrote: A photon has momentum. Does that mean that a photon creates a field of gravity? For example, when a photon passes near a star then the photon is pulled by the star's gravity, but also (in a very tiny way) the star is pulled by the photon's field of gravity? Essentially. Do you mean that a photon really creates a field of gravity? All energy has equivalent mass. Electromagnetic fields are not a source of gravitation.
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#10
February 9th 06
posted to sci.physics
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Photons and gravity
Schoenfeld wrote: Sam Wormley wrote: Anders wrote: Sam Wormley wrote: Anders wrote: A photon has momentum. Does that mean that a photon creates a field of gravity? For example, when a photon passes near a star then the photon is pulled by the star's gravity, but also (in a very tiny way) the star is pulled by the photon's field of gravity? Essentially. Do you mean that a photon really creates a field of gravity? All energy has equivalent mass. Electromagnetic fields are not a source of gravitation. Reconsider your answer.
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