Re: Gravity

[Alberto Monteiro]

Brad DeLong wrote:
>
>How can a black hole gravitate if all of its mass is inside the event 
>horizon and if gravitons propagate at c?
>
<ultracrepidarian>
That's because gravitons are generated only when a gravitational
field changes. A static gravitational field does not generate
gravitons.
</ultracrepidarian>

Alberto Monteiro