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Safetyhit
12-17-17, 21:38
Could read about these things all day. No one really knows what it was but it was a very fast mover and unlike anything detected before.

https://www.scientificamerican.com/article/alien-probe-or-galactic-driftwood-seti-tunes-in-to-oumuamua/

SteyrAUG
12-17-17, 23:18
6EQUJ5

FromMyColdDeadHand
12-18-17, 00:22
My orbital mechanics is rusty, but didn't the path for it come in at 90 degrees but it's current path is much flatter to our orbit. Not really saying anything with that, outside of how gravity tweaks a trajectory like that. That and if something 10 times bigger came out of the darkness heading right towards us.....

Safetyhit
12-18-17, 06:33
My orbital mechanics is rusty, but didn't the path for it come in at 90 degrees but it's current path is much flatter to our orbit. Not really saying anything with that, outside of how gravity tweaks a trajectory like that. That and if something 10 times bigger came out of the darkness heading right towards us.....


This gives a better visual and his analysis is very detailed as to why it's so strange even beyond it's interstellar trajectory. The shape probably shouldn't be able to hold up if as elongated as it appears and spinning as it does, but who knows what we don't know. Just that it's an amazing coincidence it used the sun like it did, going closer than even Mercury. That's what we do with our ships, which is often use gravity as propulsion.

This guy isn't the only one highly interested in it, that's for sure.

https://m.youtube.com/watch?v=qisQ5_LadBQ

FromMyColdDeadHand
12-18-17, 07:51
Sometimes I think that looking for radio signals from these things is like New Guinea tribesmen doubting our existence because they don't see our smoke signals....

Doc Safari
12-18-17, 09:05
I'm getting to be so cynical I'm suspicious it's some elaborate advertisement for the new Star Wars movie.

qsy
12-18-17, 10:57
Sometimes I think that looking for radio signals from these things is like New Guinea tribesmen doubting our existence because they don't see our smoke signals....

Given the distances involved in an interstellar search, what we're really doing is looking for fossils of previous life. Any evidence obtained would likely be hundreds/thousands/millions of years old. There is presently no way to do a real-time search. If we were to detect any "smoke signals" it isn't very likely that the civilization that generated them still exists.

Det-Sog
12-18-17, 12:44
Given the distances involved in an interstellar search, what we're really doing is looking for fossils of previous life. Any evidence obtained would likely be hundreds/thousands/millions of years old. There is presently no way to do a real-time search. If we were to detect any "smoke signals" it isn't very likely that the civilization that generated them still exists.

That.

On the 0.002% chance that this thing is artificial, odds are that it's been floating around the galaxy/galaxies for billions of years. Relatively speaking, this thing was traveling very slowly based on interstellar speeds.

I look up at the night sky and KNOW that there is other intelligent life out there, but given the distances involved, we'll probably never know.

Now, there is the whole faster than light and/or wormhole theories, but that's all that they are for now. IMHO, any civilization that has that technology developed (if possible) either hasn't found us as the vast expanse of the universe makes finding us as remote as finding a particular grain of sand located somewhere in the world. If they have found us, their technology would be so advance that they could mask their presence, until they wanted us to see them.

<--- My two cents are on no one even knows were here. Yes, our civilization puts out a massive electromagnetic signature (radio waves). Those said waves are more than likely washed out after a few billion miles by our sun. Our closest star neighbor probably can't detect our signature due to the background interference of our own star. Someone else would have to be really close to see or hear us. Same goes for us hearing someone else...

Mr. Goodtimes
12-18-17, 12:49
Or maybe this is just the government screwing with people... maybe it’s another super secret government aircraft. I didn’t know we had stealth helicopters till we wrecked one killing bin laden, if we know about that then what do we not know about?

There’s a lot of possibilities. A lot of people assume that whatever other life is out there is far more intelligent than we are. Maybe they are, or maybe they aren’t... has anyone ever considered that we may be the smartest, most advanced thing in the universe?

Maybe all the other planets are just full of those teddy bear looking things from Star Wars.


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Safetyhit
12-18-17, 13:36
Or maybe this is just the government screwing with people...

Seriously no, let's not go there. More than likely its an asteroid, possibly partially made of an unknown material or element allowing it to maintain it's integrity. Except for light spectrum analysis we are only physically familiar with what orbits our sun, which this object does not and never will.

But it may be something totally different. Too far away already to confirm now.

Watrdawg
12-18-17, 13:46
ET just flew home:D Who knows what it could be. Personally I don't see how we could be the only beings in the universe when any start out there could possibly have a planet in its galaxy that could harbor life.

moonshot
12-18-17, 17:23
For a great read on a similar subject...

Rendezvous with Rama by Arthur C Clarke

Doc Safari
12-18-17, 17:26
For a great read on a similar subject...

Rendezvous with Rama by Arthur C Clarke

Maybe Clarke's best book, if not Childhood's End, but as an author I just couldn't get into his writing that much. The tech stuff was fascinating but the rest was kind of 'meh'.

ABNAK
12-18-17, 17:31
This gives a better visual and his analysis is very detailed as to why it's so strange even beyond it's interstellar trajectory. The shape probably shouldn't be able to hold up if as elongated as it appears and spinning as it does, but who knows what we don't know. Just that it's an amazing coincidence it used the sun like it did, going closer than even Mercury. That's what we do with our ships, which is often use gravity as propulsion.


Space is a vacuum, so it's shape and the fact it is spinning shouldn't have any impact on it's ability to remain intact, correct? i.e. it isn't like a long 77gr 5.56 round hitting flesh (resistance) and fragmenting because the length can't maintain it's integrity due to the forces acting against it as it begins to tumble.

qsy
12-18-17, 17:40
That.

On the 0.002% chance that this thing is artificial, odds are that it's been floating around the galaxy/galaxies for billions of years. Relatively speaking, this thing was traveling very slowly based on interstellar speeds.

I look up at the night sky and KNOW that there is other intelligent life out there, but given the distances involved, we'll probably never know.

Now, there is the whole faster than light and/or wormhole theories, but that's all that they are for now. IMHO, any civilization that has that technology developed (if possible) either hasn't found us as the vast expanse of the universe makes finding us as remote as finding a particular grain of sand located somewhere in the world. If they have found us, their technology would be so advance that they could mask their presence, until they wanted us to see them.

<--- My two cents are on no one even knows were here. Yes, our civilization puts out a massive electromagnetic signature (radio waves). Those said waves are more than likely washed out after a few billion miles by our sun. Our closest star neighbor probably can't detect our signature due to the background interference of our own star. Someone else would have to be really close to see or hear us. Same goes for us hearing someone else...

We have only put out that electromagnetic signature for roughly 100 years, so the emissions can only reach out to roughly 100 light years. Any detectors beyond that will not know we are here. The other problem is that the universe is 13 billion years old. Stars/galaxies are not all on the same lifecycle. There may have been intelligent life for millions of years relatively nearby that faced extinction 5 billion years ago. In that case, they went away before the earth was formed.

When you look at all of the variables the odds of detecting extraterrestrial life, that still exists, is pretty slim.

SteyrAUG
12-18-17, 18:06
We have only put out that electromagnetic signature for roughly 100 years, so the emissions can only reach out to roughly 100 light years. Any detectors beyond that will not know we are here. The other problem is that the universe is 13 billion years old. Stars/galaxies are not all on the same lifecycle. There may have been intelligent life for millions of years relatively nearby that faced extinction 5 billion years ago. In that case, they went away before the earth was formed.

When you look at all of the variables the odds of detecting extraterrestrial life, that still exists, is pretty slim.

But our future selves might contact them in the next 500 years and if we are advanced enough that message will reach anyone listening long before the radio waves we sent out 100 years ago. And if "they" exist and are advanced enough we could actually be seeing a reply to a signal that won't actually exist for another 500 years.

Obviously for "first contact" to occur, we will be heavily dependent upon the abilities of a far more advanced life form. If "they" actually exist in our local group, their advanced capacity could be a good or a bad thing.

FromMyColdDeadHand
12-18-17, 18:19
The silence from the cosmos is deafening... Either we are way behind on comm tech, life is not common and intelligent life even less so, intelligent life has a habit of extinguishing itself or there are reavers out there culling species that get too advanced. None of those is comforting.

500 stars with in 100 light years, something like 260,000 with in 250 years and 2 million with in 500 years. That is outbound. In bound I'd have to sit down and try to figure out the probability of intelligent life based on 100 years of listening and somehow calculate in civilization survival length.

qsy
12-18-17, 18:32
The silence from the cosmos is deafening... Either we are way behind on comm tech, life is not common and intelligent life even less so, intelligent life has a habit of extinguishing itself or there are reavers out there culling species that get too advanced. None of those is comforting.

I think you hit on something there. If you look at our civilization, we have been a high tech society for roughly 100 years. We have already seen multiple instances where life on earth could have been severely impacted. It would be hard to believe that a society could continue to advance at this exponential rate without stumbling into extinction in less than a couple of thousand years. No reason to believe it would be any different on another planet.

Safetyhit
12-18-17, 18:46
Space is a vacuum, so it's shape and the fact it is spinning shouldn't have any impact on it's ability to remain intact, correct? i.e. it isn't like a long 77gr 5.56 round hitting flesh (resistance) and fragmenting because the length can't maintain it's integrity due to the forces acting against it as it begins to tumble.

Sort of but not really. There are other forces at work that generate rounded or semi-rounded objects for a reason, including both gravity as well as momentum vs a physical structure's ability to handle it vacuum or not. Of course space offers no air resistance, but it doesn't mean that physics breaks down. Not at that level anyway.

Just figure that planets are round for a reason, therefore air resistance or not if one is big enough gravity will pull it upon itself. Some asteroids or proto-planets included. If not it will eventually break up and yes the speed combined with rotation is still relevant.

Det-Sog
12-18-17, 19:21
We have only put out that electromagnetic signature for roughly 100 years, so the emissions can only reach out to roughly 100 light years. Any detectors beyond that will not know we are here.


But our future selves might contact them in the next 500 years and if we are advanced enough that message will reach anyone listening long before the radio waves we sent out 100 years ago. And if "they" exist and are advanced enough we could actually be seeing a reply to a signal that won't actually exist for another 500 years.

The point that I make is that our radio waves of 100 years ago have more than likely already been washed out by the background of the sun. More and more data indicate that once you are more than a light year or two from our solar system, our radio waves are being washed out by the background radio interference of our own sun. A star as close as 10 light years away with our current listening capability, more than likely cant hear us NOW.

Think of staring right at an anti-aircraft searchlight shining directly at you while that light is a few miles away. There is a firefly 100 feet from the searchlight directly in the beam, and that little firefly is shinging as bright as he can... You are not going to be able to detect the firefly. It's feeble light will be washed out. Sorry, that's a laymans attempt of explaining, but it's the same principle with our very weak (compared to the sun) electromagnetic signature.

Yup... There could be another earth just as advanced as us circling Alpha Centauri just 4.4 light years away with the same type of radio and TV going on for 100 years. Odds are that we cant pick up their transmissions for the same reason... Until we (or they) send out something more powerful than the sun's signature, it's like dropping a pebble in the ocean hoping someone across the world will notice that particular ripple.

RetroRevolver77
12-18-17, 19:36
But our future selves might contact them in the next 500 years and if we are advanced enough that message will reach anyone listening long before the radio waves we sent out 100 years ago. And if "they" exist and are advanced enough we could actually be seeing a reply to a signal that won't actually exist for another 500 years.

Obviously for "first contact" to occur, we will be heavily dependent upon the abilities of a far more advanced life form. If "they" actually exist in our local group, their advanced capacity could be a good or a bad thing.


They already replied to our messages- a giant iron space rock killer directed at our planet. Considering it traveled thousands of light years, it missed by very little.

Safetyhit
12-18-17, 19:46
The point that I make is that our radio waves of 100 years ago have more than likely already been washed out by the background of the sun. More and more data indicate that once you are more than a light year or two from our solar system, our radio waves are being washed out by the background radio interference of our own sun. A star as close as 10 light years away with our current listening capability, more than likely cant hear us NOW.

Think of staring right at an anti-aircraft searchlight shining directly at you while that light is a few miles away. There is a firefly 100 feet from the searchlight directly in the beam, and that little firefly is shinging as bright as he can... You are not going to be able to detect the firefly. It's feeble light will be washed out. Sorry, that's a laymans attempt of explaining, but it's the same principle with our very weak (compared to the sun) electromagnetic signature.

Yup... There could be another earth just as advanced as us circling Alpha Centauri just 4.4 light years away with the same type of radio and TV going on for 100 years. Odds are that we cant pick up their transmissions for the same reason... Until we (or they) send out something more powerful than the sun's signature, it's like dropping a pebble in the ocean hoping someone across the world will notice that particular ripple.

Understood but still very intriguing. Specifically because somehow we can detect light photons 13+ billion years old almost always being heavily slanted to the red light spectrum while mathematically it adding up to simple expansion? In other words, using my feeble mind I see it that well prior to the 13 billion year old mark it had to be closer to us initially, but physically or practically? Why is it's light still being broadcast as so far away that we see it as 13-14 billion years away when the light was not generated at that time or distance?

In other words how yet again, was something someplace over 13 billion years ago, yet it was that quickly after the "big bang" still in context still existing so far away so fast on the overall scale?

Edit: I am well aware that no one knows the answers to these questions. Maybe one day good or bad...

jpmuscle
12-18-17, 21:50
Understood but still very intriguing. Specifically because somehow we can detect light photons 13+ billion years old almost always being heavily slanted to the red light spectrum while mathematically it adding up to simple expansion? In other words, using my feeble mind I see it that well prior to the 13 billion year old mark it had to be closer to us initially, but physically or practically? Why is it's light still being broadcast as so far away that we see it as 13-14 billion years away when the light was not generated at that time or distance?

In other words how yet again, was something someplace over 13 billion years ago, yet it was that quickly after the "big bang" still in context still existing so far away so fast on the overall scale?

Edit: I am well aware that no one knows the answers to these questions. Maybe one day good or bad...

Are you talking about inflation and then subsequently the acceleration of the current expansion?

Mr. Goodtimes
12-18-17, 21:57
Are you talking about inflation and then subsequently the acceleration of the current expansion?

https://uploads.tapatalk-cdn.com/20171219/653bcfec3b55505441161a6aabfc898a.jpg



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qsy
12-18-17, 22:26
Are you talking about inflation and then subsequently the acceleration of the current expansion?

I think that is the "rub" that he is seeing. That initial inflation is something that is not intuitive in our Newtonian existence...to be honest I hadn't thought about that until you brought it up. There's a lot of cobwebs in that part of my brain!

SteyrAUG
12-18-17, 22:32
The silence from the cosmos is deafening...

Honestly, how long did it take us to detect radio waves that were always there? Advance civilizations are likely communicating in ways we lack the technology to even detect. Conversely our signals might be so primitive they go unnoticed by anyone who might be listening.

I personally think sentient life exists but is rare. Also suitable host planets have a finite life span that gives a brief window for the development of intelligent life and the ability to find a way to send and receive messages to and from other galaxies before they go extinct or destroy themselves.

SteyrAUG
12-18-17, 22:37
The point that I make is that our radio waves of 100 years ago have more than likely already been washed out by the background of the sun. More and more data indicate that once you are more than a light year or two from our solar system, our radio waves are being washed out by the background radio interference of our own sun. A star as close as 10 light years away with our current listening capability, more than likely cant hear us NOW.



No argument here. There are likely factors at work we can't even contemplate. This is again, why we would be overly dependent on the advanced technology of any alien community we hope to communicate with, assuming they exist and would want to communicate with us.

SteyrAUG
12-18-17, 22:39
They already replied to our messages- a giant iron space rock killer directed at our planet. Considering it traveled thousands of light years, it missed by very little.

http://www.imdb.com/title/tt0111735/?ref_=nv_sr_2

Safetyhit
12-19-17, 04:43
Are you talking about inflation and then subsequently the acceleration of the current expansion?

Well since inflation and the likewise subsequent theory of acceleration are just that, theory, then both yes and no.

We apparently have to start from an origin that makes no sense from the get go, which is the supposed singularity. That alone is unproven and even being questioned more and more very understandably. How did so much derive from literally nothing? Just because some mathmatical analysis sounds good doesn't mean analyzers of them have a clue what they are talking about, and any honest one will tell you that.

For the record I am not even close to a flat-earther sort, as well I think personally that our existence goes beyond either simple evolution and/or creation. I think it was a form of both that we just don't fully grasp yet, just as we are not meant to at this time and maybe never will be.

Regardless that flying thingy was cool and it would have been neat if we caught it in a big net! :rolleyes::D

FromMyColdDeadHand
12-19-17, 10:11
I wonder if astrophysicist on their forums, talk about ARs in their GD section?

Something like 75% of the universe is dark matter and energy. And then this morning there was a blurb about gamma ray bursts being the extinction equivalent of hand grenades all over the universe. As smart as we are, the stuff we don't know.

AI is going to get its 10,000 IQ and build a rocket to leave us.

jpmuscle
12-19-17, 10:47
I wonder if astrophysicist on their forums, talk about ARs in their GD section?

Something like 75% of the universe is dark matter and energy. And then this morning there was a blurb about gamma ray bursts being the extinction equivalent of hand grenades all over the universe. As smart as we are, the stuff we don't know.

AI is going to get its 10,000 IQ and build a rocket to leave us.

Could you imagine what their lube threads must be like??

[emoji33]


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SteyrAUG
12-19-17, 13:23
Well since inflation and the likewise subsequent theory of acceleration are just that, theory, then both yes and no.

We apparently have to start from an origin that makes no sense from the get go, which is the supposed singularity. That alone is unproven and even being questioned more and more very understandably. How did so much derive from literally nothing? Just because some mathmatical analysis sounds good doesn't mean analyzers of them have a clue what they are talking about, and any honest one will tell you that.

For the record I am not even close to a flat-earther sort, as well I think personally that our existence goes beyond either simple evolution and/or creation. I think it was a form of both that we just don't fully grasp yet, just as we are not meant to at this time and maybe never will be.

Regardless that flying thingy was cool and it would have been neat if we caught it in a big net! :rolleyes::D

We don't think the singularity came from nothing. If membrane is correct, "our" singularity is just one in a sea of bubbles that are continuously created, expand and probably contract back to a lone singularity. Dark matter gives us everything we need for the "big collapse" in the distant future.

Things were simpler when we imagined an infinite "steady state" universe. Now it just seems like we are a temporary bubble in a sea of bubbles that might be infinite.

SilverBullet432
12-19-17, 13:32
6EQUJ5


Wow! :sarcastic:

soulezoo
12-19-17, 13:46
Wow! :sarcastic:
Wow indeed. Now 3 of us are in on the joke, huh?

jpmuscle
12-19-17, 14:41
Clever Steyr


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Whiskey_Bravo
12-19-17, 15:03
Wow indeed. Now 3 of us are in on the joke, huh?

Wow!

http://www.dailygalaxy.com/.a/6a00d8341bf7f753ef01bb0794ea39970d-pi

Safetyhit
12-19-17, 15:44
Wow!

http://www.dailygalaxy.com/.a/6a00d8341bf7f753ef01bb0794ea39970d-pi

Wow is very noteworthy but has been attributed to small number of other possible sources long ago. No offense Steyr, you know I respect your brain and input.

It's just another piece of a puzzle we will almost never solve, but...have you guys seen all this new military funded UFO research and testimony? New bits and pieces seem to be coming out every day and really it's unprecedented for such things to be talked about so openly in this country.

Don't care for the NYT much but you get the idea: https://www.nytimes.com/2017/12/16/us/politics/pentagon-program-ufo-harry-reid.html

After this came out Politico did a follow up and now pilots are talking and some impressive FLIR footage is being shown. I won't get into those sky trumpets, way too weird.