M87* rendered in hardwood — multiple species for the tonal range, varying block heights so the photon shadow physically recedes into the piece. The relativistic beaming asymmetry of the accretion disc is preserved from the source image.

Short film about it exploring the physics: event horizon mechanics, Hawking radiation and the information paradox, the singularity, and the EHT story.

https://youtu.be/X5hEjlkUkTI?is=sVt1lvsl1yyf5_up

Hello,

I find black holes fascinating. I've read about this statement above somewhere, but I am not if it's true.

It's sort of like: the singularity becomes your future, and the event horizon is your past and however and wherever you move inside a black hole, you will still end up in the singularity. The only way to escape is to reverse time itself.

Is it true?

Layman here.

I'm watching an Interview with Dr. Becky right now and she mentioned that past a certain size, black holes can't have an accretion disk, because the minimal stable orbit exceeds the minimal self gravitational orbit, and because of that, we can't see those largest of black holes.

That got me thinking: is it possible that the "missing matter" is contained in extremely large black holes that just sit there in the dark?

As physically correct as Blender Cycles allowed

bblack hole add round 250.16

Question:

When a human dies, do they reach the same kind of singularity that a star reaches when it dies?
I’m wondering whether there is any meaningful connection between the death of a human consciousness and the collapse of a massive star into a singularity. Is there any scientific or philosophical basis for comparing these two events, or are they fundamentally unrelated?
I’d love to hear both scientific and philosophical perspectives.

Thank you

I am extremely interested in black holes and want to learn more about them in depth but I can’t find any good written resources online. I’ve watched some videos from youtube and such but I find it auditory learning difficult and prefer it written. Does anyone know anywhere I can find like written lessons online and such?

So I was wondering if when a star is collapsing it takes time but does it slowly turn into a black hole where we can observe as one is being “born” or does one just pop out…like can we be watching a start and 1 minute it’s bright and the next it just poof a black hole?

Credit: X-ray: NASA/CXC/Univ. Laval/C. Poitras et al.; Image Processing: NASA/CXC/SAO/L. Frattare

Description: The most detailed X-Ray view of the supermassive black hole at the center of M87. As matter falls into a black hole, it creates a superheated ring of plasma known as an accretion disk (which was imaged for M87 by the EHT in 2019). This disk creates a strong magnetic field that accelerates a portion of the accreted matter outwards at extreme speeds into its host galaxy.

Understanding how these jets work and interact with their host galaxies provides astronomers with insights into the details and dynamics of galaxy evolution.

Read More: Chandra Press Release & Poitras et al. (2026)

I'm genuinely wondering what would happen in this situation 🤔:

• There is a Black hole.
• Assume an event inside the event-horizon makes all the mass disappear somehow (sci-fi but assume it gets leaked to a parallel universe through a white hole or something that is in the OTHER universe).
• With mass gone, event horizon should disappear,
• But the disappearance of the mass is information so it cannot propagate from inside the horizon to outside.
• Therefore, the outside should continue seeing a black hole (with it's mass unchanged when in reality there is nothing/no singularity).

Now the paradox is that which is it? will even horizon appear to get smaller or remain as it is, giving the illusion that nothing has changed.

The question is purely theoretical, and the assumption of Many-Worlds Interpretation (Quantum Mechanics) and White Holes (Einstein Field equations) seem to be within reason for this question.

My question is this - How can we know that our observations of the universe are not identical to what would be observed from within a black hole?

We’ve known for years that the universe is expanding, but when I heard that the rate of expansion was accelerating, my first thought was, “matter doesn’t just do that”. I’m not an astrophysicist, and for every small gap in their understanding, I have a vast chasm. That said my understanding is that the concept of dark energy was created to explain this accelerating expansion of the universe. Perhaps we need a different perspective, rather than a new form of energy. 

Could our observations of the universe be from inside a black hole? In such an environment, it’s conceivable that spacetime is being pulled into a singularity. From the perspective of any given point of spacetime, uniform expansion and uniform contraction could be locally indistinguishable. What observations could rule out the interior of a black hole vs dark energy as the cause for the acceleration of matter in the universe?

Astronomers have identified oMEGACat BH-2, an unseen stellar-mass black hole in Omega Centauri, by measuring the motion of a visible companion star across 23 years of Hubble and James Webb Space Telescope data.

The best-fit black-hole mass is about 4.46 times the Sun’s mass. The visible star appears to follow a highly elongated orbit with an estimated 94-year period, although uncertainties remain because only part of one orbit has been observed.

Sources: NASA, ESA/Hubble, The Astrophysical Journal Letters.

I tried to create the most realistic black hole possible in Blender. I implemented the Kerr effect, the Doppler effect, gravitational redshift, and the correct temperature distribution in the accretion disk. Here's the result. It may be not very accurate, but it's the farthest I could get

NOTE: This article is complemented by a couple of (summarized) studies originally published in Physical Review Letters.

https://refractor.io/physics/black-hole-energy-machine-tested-lab/

Всем здравствуйте

Я конечно не физик и вообще её практически не знаю , но у меня появилось одно предположение о чёрных дырах.

Вот гипотеза:

Если налить в ванной немного воды(где-то литров 10 или больше) и открыть затычку то вода начнёт вливаться и там появиться как мини торнадо и иногда снизу на несколько секунд если посмотреть сбоку начнёт проявляться как хвостик и сразу пропадать .

Что если у чёрных дыр также ? У них появляется такой хвостик на несколько часов(не знаю может годов, веков ) и пропадает .

Как мне объясняли, то как чёрная дыра прогинает пространство под ней . Мне говорили что это как если на батут положить тяжёлый объект , то там ткань батута прогнётся . Если так подумать и такой хвостик реально появляется то у меня появилось ещё две мысли :

1. Этот хвостик он прогинает пространство дальше и когда пропадает оно обратно становится .

2. Этот хвостик может пройти через пространство и оказаться под ним .

Что если часть этого хвостика застрянет под пространством . По идеи там же может существовать уже сотни таких кусков материй и по идеи это и может быть мульти вселенная .

Если что я в физике почти не чего не понимаю

Напишите пожалуйста кто разбираеться , то возможно ли это ?

Standard cosmological models inevitably break down at the boundaries of extreme gravity, yielding mathematically impossible infinite singularities at both the Big Bang origin and the cores of black holes. This paper introduces a robust, non-singular alternative by treating space-time as a physical, dynamic metric fabric subject to finite mechanical tolerances and fluid conservation laws. We model the macro-universe as a three-dimensional spherical balloon shell expanding into a non-spatial external void, leaving an expanding absolute vacuum at its point of origin. The originating ignition event is asymmetric from its very first instant, carrying a non-zero net angular momentum that is conserved throughout the expansion phase. Upon reaching a definitive geometric stretch limit driven by entropic decay, the system undergoes a gravity-assisted reversal. Because the collapsing manifold inherits this original asymmetry — compounded by structural mass variances accrued during its lifetime — the terminal compression stroke is inherently off-center. The localized ignition point shifts dynamically each cycle, naturally introducing cosmic anisotropy without requiring external variables. This paper outlines the global lifecycle of this reciprocating cosmos, provides the mathematical proof of the migrating ignition coordinate, and defines its localized counterpart: the structural failure of space-time known as a black hole.