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Because the speed of light is a constant throughout all of space time, each guy would look normal to himself. The top guy would think the other two are stretched out, the bottom guy would think the other two looked squashed, and the middle guy would think the guy above was squashed and the guy below stretched. (or do I have that backwards?)
As far as not surviving the radiation goes, bringing up the point reminds me of the movie critic who pointed out that in Field of Dreams, Ray Liotta, playing Shoeless Joe, batted right handed, while Joe Jackson was actually a left hand hitter. Somehow the point that Shoeless Joe was really dead didn't bother him.
Yeah, I remember a discussion about how when something or other was falling in a Superman movie, it would have followed a parabolic path, and it didn't - and someone pointed out: "You're discussing a movie about a guy who can fly, see through walls, and bullets bounce off his chest, and you're worrying about scientific accuracy?"
This puzzle is not necessarily consistent with the laws of physics. It is to illustrate points of science which are profound and contradictory.
3 ASTRONAUTS ENTER A BLACK HOLE
AN EXERCISE IN LOGIC
A DEMONSTRATION OF DEDUCTIVE PRINCIPLES IN OUTER SPACE
The Problem. Three astronauts enter the event horizon of a black hole and take positions one above the other a short distance inside the event horizon. The first astronaut is at the lowest point within the event horizon. The second astronaut is a short distance above the first. The third astronaut is a short distance above the second. Summarize each astronaut's views of himself and his companions.
(To be continued.)
NOTE: All available information is contained within the Problem.
HINT: Never assume.
Would the human brain even be able to operate within a black hole event horizon? We just don't know.
They would get spaghettified later. They wouldn't even notice crossing the event horizon.
It depends on the mass of the black hole. As stated below, when approaching a small black hole you would be spaghettified before crossing the event horizon.
But the effects of this gravity on a visitor would differ depending on the black hole's mass. If you fell toward a relatively small black hole a few times the mass of the sun, for example, you would get pulled apart and stretched out in a process known as spaghettification, dying well before you reached the event horizon.
However, if you were to fall toward a supermassive black hole millions to billions of times the mass of the sun, you wouldn't "feel such forces to a significant degree," Loeb said. You would not die of spaghettification before you crossed the event horizon (although numerous other hazards around such a black hole might kill you before you reached that point).
Since the hypothetical astronauts needed to survive the transition for this exercise, what's your conclusion then?
I don't know. All I know is that if a person could survive inside a black hole, his perception of both time and space would be altered. I recall astrophysicist Matt Dowd who hosts PBS space time saying that inside a black hole the roles of space and time reverse. But I have no idea how one person inside a black hole would perceive another person.
The don't see anything. They're inside the event horizon of a black hole. Vision requires electromagnetic radiation in the visible spectrum - in other words, light.
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