Why is light attracted by black holes?

Question

Since light has no mass, how does it get pulled by a black hole? For the equation Gm1m2/r^2, m2 = 0, so G should be 0, right?

Answer 1

light has mass.light Is made of photon particles and they have mass.do you know the mass of light coming from sun on earth per day is about 30000 tons.yes it is true.photon particles has a very little mass but they do have and that is why light has mass.and so it gets pulled by a black hole.only black holes have the needed g force to pull light back.light travels so fast at approximate 300000km per second so it can't be pulled by other stars though they are huge

Answer 2

Any object in space is continually bombarded by light from every possible angle.
Light passing a massive body is curved toward the surface by the gravitational field.
If a black hole could exist the surface gravity would be so great that the orbital speed of a satellite would be the speed of light.
Some of the light that bombarded the body would be trapped at the surface,making it invisible.
However the quantum effect would cause a percentage of photons to surpass the average speed of light causing some photons to spiral outward producing a dim glow in white light.
But the same logic that produces a black hole can be taken a step further and prove that a black hole cannot exist.!

Answer 3

Gravity not only pulls massive objects to it, but it also has the effect of literally bending the space-time around it. At the event horizon of a black hole space literally bends into the hole. Light is directed inward by the immense gravitional field the black hole generates. This is why light cannot escape a black hole.

However, there are some forms of high energy radiation (and light) that can escape the gravity, however, this has only been seen recently, and there are many theories to suggest why some forms of radiation can escape wher others can't.

The equation you are using is for two point masses attracting eachother... and G is NEVER zero. G is Newton's gravitational constant and therefore does not change. However, Newtonian mechanics is limited in its ability to predict celestial motion as observed by an Earth observer due to the effects of gravitational lensing and other such phenomena. Einstein used relativity theory to finally correctly predict the motion of Mercury that Newtonian mechanics was incapable of explaining.

Answer 4

Because gravity's not all about mass.

Gravity is more accurately described as a curvature in space-time. Since light photons travel along those geodesic curves, light will travel into a black hole, just like everything else. The equation that you're using is pre-general relativity, and is good for most purposes, but we now have more advanced models for how gravity works. The link below has a pretty good article on the topic.

Answer 5

easy isn't interested in a black hollow. through fact easy has no mass, it can not be attracted with the help of a gravitational source. area time close to a black hollow is warped so easy, which travels in a immediately line, truthfully follows the curve of spacetime close to a black hollow. If it crosses the form Horizon, the warping is so super that easy will on no account get away.

Answer 6

having just finished a book on relativity last night I can give you a little insight on this. according to einstein's general theory of relativity it all has to do with the curvature of space time. light follows the curvature to to a black holes immense density. also I do believe that light may have a very minute mass.

Answer 7

Jeez......
It is gravity, light even bends around stars by the star's gravitational pull. Go search "gravitational lensing" for more info.

As far as a black hole goes, its gravitational attraction is so strong that light can't escape it.
You can't possibly use that equation for this, since the equation is used for two bodies, such as planets or stars. Light is not a body, it has no REST mass.

Answer 8

I thought black holes distorted the space time continuum, so much so that besides anything with mass, all energy is "distorted" in the fabric of space.