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If light has no mass, how is it affected by black holes? The answer is: massive objects bend the "fabric" of space-time, so light travels along a different path than it would have if the massive object were not there. [🎞️physicsgene]

Massimo

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332,791 Aufrufe • vor 1 Jahr •via X (Twitter)

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11 Kommentare

Profilbild von Stevarino1020

Stevarino1020vor 1 Jahr

All this is presumption.

Profilbild von FRANK E ELKINS

FRANK E ELKINSvor 2 Jahren

“Science doesn’t tell us why the Big Bang happened, how the singularity occurred in the first place, or why it exploded when it did. It tells us there is objective scientific evidence that it occurred. So, what exactly was the Big Bang?” – Book III The Enigmatic Mystery

Profilbild von Why Not!

Why Not!vor 1 Jahr

or it's not possible to bend space or time and we are missing what really causes Gravity.

Profilbild von Sean Collins

Sean Collinsvor 1 Jahr

That’s not an answer, it’s a hypothesis.

Profilbild von Paul_Gradenwitz

Paul_Gradenwitzvor 1 Jahr

Nonsense. Only if you define that the speed of light is a constant, then the only way to explain the longer travel time if light near a mass, as observed with the Shapiro delay, is by assuming that spacetime is curved. But when you define that spacetime is flat, then you explain the same observation with a change of the refractive index of space as a function of the mass distribution. The higher this refractive index goes above 1, the slower light propagates. Stop thinking that space changes its geometry. The content of space changes always. We, our particle function, slow down near gravitating masses. Light propagation slows down. At the EH of the BH, all light comes to a halt, and all particles condense to a particle condensate that covers what condensed there before.

Profilbild von Mixie Media

Mixie Mediavor 1 Jahr

This is based on assumptions

Profilbild von Miles Stephens

Miles Stephensvor 1 Jahr

Yes, that is the the effect. However, what exactly is the "fabric" of space and time that is being bent?

Profilbild von ViharikaQuest

ViharikaQuestvor 1 Jahr

I actually finally understood what a black hole is, in some way

Profilbild von Proof-of-Sandwich

Proof-of-Sandwichvor 1 Jahr

So wait, then light isn't sucked in? It just travels around b/c of the space-time bending?

Profilbild von Curious Fuel

Curious Fuelvor 1 Jahr

Fun fact: Black holes have such strong gravity that not even light can escape them! 🌑💡 This is why they appear "black"—no light can be emitted or reflected from inside the event horizon, the point of no return. It’s one of the most fascinating mysteries of the universe!

Profilbild von Anthea17

Anthea17vor 1 Jahr

@lavanaz That would be a good explanation for the halos we see. It's not what is inside refelcring off the dome- it's light from outside hitting the surface and projecting a ring....interesting...

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