Black Holes and Interstellar Travel

EgonSpengler said:
I believe Aliens arrived on Earth 65 million years ago and found dinosaurs, and were like "holy fucking shit that planet is full of giant monsters" and then launched a meteor at us
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Megatron and The Fallen didn't seem to be too intimidated by them. And Galactus wouldn't even notice them while he has earth on his dinner table.
 
Any of you guys familiar with the Real Battle Los Angeles? The movie with the same title is reportedly based on this actual event.

For those of you familiar with the story, what are your thoughts or theories?

For those of you not familiar with the story, you can read about it at the above link. Here are a couple of yt videos that go into it as well:

[YT]EPKGJNk1Qu8[/YT]

[YT]VujrBpvLqko[/YT]
 
EgonSpengler said:
I believe Aliens arrived on Earth 65 million years ago and found dinosaurs, and were like "holy fucking shit that planet is full of giant monsters" and then launched a meteor at us
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huge if true
 
oh, and this movie is the reason we will never leave our solar system:

event.jpg


Ain't no astronauts trying to gouge out their own eyes and shit.

event-horizon1-620x400.jpg
 
45ACP said:
oh, and this movie is the reason we will never leave our solar system:

event.jpg


Ain't no astronauts trying to gouge out their own eyes and shit.

event-horizon1-620x400.jpg
Click to expand...

I had heard about this movie from a couple different people and really never had any interest in it. I may just watch it anyway just because.

I'm waiting for Ridley Scott to finish Prometheus 2 and put it in the theaters. Prometheus is one of my top 5 favorite Sci-Fi movies.
 
Considering most of space is empty, and black holes don't take up much volume (a stellar mass black hole being around 30 km across), the chances of encountering one is probably very low. Add to that that while black holes themselves are invisible, the effect the have on their environment is quite readily seen.

If by the time you're able to travel interstellar distances, avoiding black holes is a trivial matter.
 
AshiharaFan said:
I'm waiting for Ridley Scott to finish Prometheus 2 and put it in the theaters. Prometheus is one of my top 5 favorite Sci-Fi movies.
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It got alot of criticism, but I enjoyed it as well.
 
AshiharaFan said:
Any of you guys familiar with the Real Battle Los Angeles? The movie with the same title is reportedly based on this actual event.

For those of you familiar with the story, what are your thoughts or theories?

For those of you not familiar with the story, you can read about it at the above link. Here are a couple of yt videos that go into it as well:
Click to expand...

I've heard stories about it before, but the official explanation is pretty satisfactory in that case.

The stuff about "foo fighters" is more interesting imo.

It would make for a good TV show though. Aliens invade the USA during WW2
 
Twelve75 said:
I have no fears of entering a black hole

lK0scxX.jpg
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I gave up after like, 15 clicks.

But then I saw your imgur link while writing this reply and out of curiosity copy/pasted it into my browser window. I should've known.

Thanks for almost getting me fired, asshole.
 
AshiharaFan said:
I had heard about this movie from a couple different people and really never had any interest in it. I may just watch it anyway just because.

I'm waiting for Ridley Scott to finish Prometheus 2 and put it in the theaters. Prometheus is one of my top 5 favorite Sci-Fi movies.
Click to expand...

If you like sci-fi and horror movies it's definitely worth a watch. I watched it for the first time when I was in my late teens and it freaked me the fuck out.

I'm gonna have to watch it again now.

Apparently it was initially WAY more gory and the producers made them cut out a lot of the gore/sex before the theatrical release.

Wish they'd release a director's cut but supposedly most of the raw film was lost somehow.
 
It is very well documented that the japanese used balloons to attack the USA during WW2. They were intended to carry incendiary bombs and cause massive forest fires on the western coast.
They were carried by air currents.
They were not aliens. They were simply stuck in currents, flying (sustained) in circles, at altitudes well above the range of anything that could be fired at them.

That said, going by the numbers, there are, with very high probability - judging on the uthinkable large size of the galaxy and the universe - other intelligent and sentient species on the universe.
However, we will never get in contact with them unless some form of space-bending travel and space-galaxy-universe scanning that is unaffected by time is developed.
I say we never reach those technological levels. Disasters and random events will throw us back in time in cycles.
And eventually, Gamma-ray burst, meteor, CO2, nuclear war, a supernova, Critters, Gremlins, poisoned M&M's will put a touché on all of us.
 
SweetDaddySiki said:
A few points about black holes

1) Black holes don't suck you in per se. The black hole at the center of universe will never suck us in.

If our sun was converted to a black hole, the earth would continue along its exact same orbit. A black hole has the same gravity as the mass it contains. What happens is that once you go beyond a certain point the space time curvature gets so immense that all paths only lead further into the black hole. One of the consequences of this curvature is that spacetime is falling into the hole like a waterfall at speeds which exceed the speed of light. That is one reason why light cannot escape.

2) Not all blackholes will turn you into spaghetti right away. Supermassive black holes have less density than stellar sized black holes, which means that while the total gravity is greater, the tidal forces are less. An astronaut can theoretically cross through the event horizon of a supermassive blackhole safely and enter the hole. However, as they go deeper and deeper, the tidal forces will increase until gravity pulls them apart. With stellar sized black holes, the astronaut would have been pulled apart long before the event horizon.
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Can you explain this? If all paths will lead further into black hole, then how is that not sucking you in?

And also, can you feel the time moving slowly? I thought time is a human construct. How can gravity affect it? And if it does, I should be able to sense that time is moving slower.
 
SweetDaddySiki said:
A few points about black holes

1) Black holes don't suck you in per se. The black hole at the center of universe will never suck us in.

If our sun was converted to a black hole, the earth would continue along its exact same orbit. A black hole has the same gravity as the mass it contains. What happens is that once you go beyond a certain point the space time curvature gets so immense that all paths only lead further into the black hole. One of the consequences of this curvature is that spacetime is falling into the hole like a waterfall at speeds which exceed the speed of light. That is one reason why light cannot escape.

2) Not all blackholes will turn you into spaghetti right away. Supermassive black holes have less density than stellar sized black holes, which means that while the total gravity is greater, the tidal forces are less. An astronaut can theoretically cross through the event horizon of a supermassive blackhole safely and enter the hole. However, as they go deeper and deeper, the tidal forces will increase until gravity pulls them apart. With stellar sized black holes, the astronaut would have been pulled apart long before the event horizon.
Click to expand...

Blackholes are also a theoretical equation that may or may not be true. As is everything else you posted here.
 
MadSquabbles500 said:
Can you explain this? If all paths will lead further into black hole, then how is that not sucking you in?

And also, can you feel the time moving slowly? I thought time is a human construct. How can gravity affect it? And if it does, I should be able to sense that time is moving slower.
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You missed part of the explanation. Once you cross the event horizon, all paths will lead in. Until you are over the event horizon, you can still (theoretically) escape. You don't notice any change in the passage of time but in the outside universe, things are different if you observe them or if anyone observes you. Time moves more slowly for moving things and for things in a strong gravitational field. It's not a construct anymore than space is. Although there may be an underlying reality to it, we don't perceive that.

WTF2008 said:
Blackholes are also a theoretical equation that may or may not be true. As is everything else you posted here.
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Horseshit.

AshiharaFan said:
Black holes may not end in a crushing singularity as previously thought, but rather open up passageways into whole other universes. Well, at least that's according to This Article I just read.

And here are two trippy theories about black holes:

Our entire universe might exist inside a massive black hole

Our universe may have emerged from a black hole in a higher-dimensional universe

And This Article says that Black holes cannot actually mathematically exist
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I'm ok with the trippy theories, I haven't reviewed them, but I can't accept the last one. Just take a look at the latest observations of the center of the Milky Way.

We may not have all the answers when it comes to black holes, but we know quite a lot and you will have to work very hard to convince me otherwise.
 
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