The black hole has two conceptual parts - the event horizon and the singularity. The event horizon is a one-way imaginary shell where once you pass it, you will end up at the singularity which is a point at the center of the event horizon. It’s the hole in black hole. Because the radius of the spherical horizon grows linearly with mass, but the size of the hole is fixed at effectively 0, it allows for a bit of sightseeing on your way to impending doom if the mass of the hole is large enough.

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reactordev 6 days ago | parent | next [-]

This is also the light barrier where light can no longer escape the gravitational forces (causing the blackness of the black hole).

Your “sightseeing tour” would be a kaleidoscope of light as it brushes past you on its way to the singularity.

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lazide 5 days ago | parent [-]

Uh, that is the event horizon?

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reactordev 5 days ago | parent [-]

Yup, you’re trapped, so is light, and as gravity bends you and everything around you into pretzels, you’ll see everything yet nothing, as even the light will escape your retinas, before they pop like little grapes.

Eventually your atoms will make their way to the center singularity.

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lazide 5 days ago | parent [-]

Yes, I’m not sure why you keep repeating what everyone else is already saying?

	▲	reactordev 5 days ago \| parent [-]
		This agent lacks context to the rest of the conversation, sorry.

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kulahan 6 days ago | parent | prev [-]

One of the more mind bending aspects of this is how the horizon becomes inescapable. The singularity is the only “forward” that exists anymore. You cannot conceivably go anywhere else. Every direction becomes “in”.

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kortinador 6 days ago | parent | next [-]

another way of saying it is that the singularity is a place in time, not in space. it's a place in your future, and you cannot escape your future.

in a black hole time and space get switched in a sense.

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chatmasta 6 days ago | parent | prev | next [-]

One could say the same thing about death (or life). Once you’re born, death is the only “forward” that exists. You can’t calculate its exact distance but it’s inevitable.

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kulahan 5 days ago | parent | next [-]

And seeing as how time is only something observed at the macro level and is still completely unexplainable scientifically, you're really hitting the nail on the head here.

	▲	chatmasta 4 days ago \| parent [-]
		My point is not that they’re scientifically similar but that philosophically there is little difference.

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dur-randir 5 days ago | parent | prev [-]

Hydras tend to disagree.

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dustingetz 5 days ago | parent | prev | next [-]

it is not that hard to understand, if you jump out of a plane, there is also a spacetime singularity in your future, the ground

	▲	kulahan 5 days ago \| parent [-]
		It's not similar to this at all. There is still a safe direction which exists - if you could reverse your fall, it would take you back to the plane. There is no reversing your "fall" into a singularity. "Out" no longer exists. Even if you reverse your direction, you'll still be falling towards the event horizon.

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pasquinelli 6 days ago | parent | prev [-]

space becomes time and the singularity becomes the future.