Radio signals from space

They are probably trying to figure out who sent dick pics and animal noises.
 
Cherokeekid88 said:
I find anything related to space to be super fascinating. I always try to remember if something is 500 million light years away and omits a radio signal, how long does it take to reach us, so when did this radio signal first occur?
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And honestly, unless something can travel faster than the speed of light - which is posited to be impossible for an object with mass - if it’s 500 million light years away that’s 500 million X 6 trillion (3e21) (miles) away... is it even relevant? Will we ever get there in the foreseeable next thousand centuries?

If there’s some rad society out there 3e21 miles away, doubt that we would ever know - sans passive observation.
 
Cherokeekid88 said:
I find anything related to space to be super fascinating. I always try to remember if something is 500 million light years away and omits a radio signal, how long does it take to reach us, so when did this radio signal first occur?
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That would mean it was emitted 500 million years ago, assuming its traveling at roughly the speed of light
 
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I love anything like this science related.
But on a sad note, these frb signals couldnt be a distant civilization trying to get our attention, they require more energy than a star will generate in its lifetime to be produced.
 
336wheeler said:
And honestly, unless something can travel faster than the speed of light - which is posited to be impossible for an object with mass - if it’s 500 million light years away that’s 500 million X 6 trillion (3e21) (miles) away... is it even relevant? Will we ever get there in the foreseeable next thousand centuries?

If there’s some rad society out there 3e21 miles away, doubt that we would ever know - sans passive observation.
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Technically a photon can in theory travel faster than the speed of light when it encounters the gravity of a black hole. IIRC this is how the theroy of time and distance not being constant was first discovered.

I.e. space and time being distorted by massive (black hole) gravitational fields.
 
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Somewhat relevant, but not able to be connected yet by physics

The current understanding of quantum mechanics states that 2 electrons (with measurable mass) can be in 2 different points at the same time (quantum entanglement).

This proves that particles can travel faster than the speed of light, but current science has yet to understand how this is possible when related to general physics.

Yep, I am a nerd
 
junkxj said:
That would mean it was emitted 500 million years ago, assuming its traveling at roughly the speed of light
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I thought that was the way it worked, but wasn't entirely sure.

I find the story of Voyager 1 and 2 to be super interesting. Knowing that this is the furthest anything man made has traveled in space and can still receive and send out signals and be controlled after traveling for over 42 years is incredible.

I still struggle with how a black hole works and all that jazz
 
You guys geeked out on me, i am over here trying to figure out if train A left the station at 8 am traveling at 55 mph and train B left the station traveling at 65 mph, what hair color did each conductor have :lol:
 
Cherokeekid88 said:
I thought that was the way it worked, but wasn't entirely sure.

I find the story of Voyager 1 and 2 to be super interesting. Knowing that this is the furthest anything man made has traveled in space and can still receive and send out signals and be controlled after traveling for over 42 years is incredible.

I still struggle with how a black hole works and all that jazz
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What's crazy to think about, is the technology available when those 2 craft were built. The computing power of all the main frame computers owned by NASA at the time would be a fraction as efficient as a modern smartphone.
 
BigClay said:
You guys geeked out on me, i am over here trying to figure out if train A left the station at 8 am traveling at 55 mph and train B left the station traveling at 65 mph, what hair color did each conductor have :lol:
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If you want to read something that will make your head hurt, check out string theroy, and the newest understanding of the bubble theroy in physics.
 
junkxj said:
If you want to read something that will make your head hurt, check out string theroy, and the newest understanding of the bubble theroy in physics.
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Hard pass... i need a lot more pictures and smaller words than I bet they have :D
 
junkxj said:
What's crazy to think about, is the technology available when those 2 craft were built. The computing power of all the main frame computers owned by NASA at the time would be a fraction as efficient as a modern smartphone.
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It really is, and what boggles my mind is that they can still control it somewhat from earth. I mean, how does that even work? When they send a signal to it, is it days before it gets to it and sends information back or what?
 
Cherokeekid88 said:
It really is, and what boggles my mind is that they can still control it somewhat from earth. I mean, how does that even work? When they send a signal to it, is it days before it gets to it and sends information back or what?
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I think it takes roughly 20-22 hours for the radio signals to travel each way.
 
6.5 GHz ..... some alien in space is making superfast microwave popcorn! btw- I know microwaves are 2.4 GHz
Terrestrial microwave comms are anywhere from 30 to 300GHz ( with some oddball stuff).
But that's microwave frequencies more or less which is basically line of sight.
Kinda like a radar gun ...... it's gotta be pointed at you.
Interesting.
I wonder how they came to the conclusion of where it came from. The power to send a microwave signal that distance is beyond my comprehension.
And I'm a radio geek.
 
All this shit on the radio, and still nothing worth listening to.
 
Cherokeekid88 said:
man that's crazy. Makes me want to go home and watch 2001: A Space Odyssey and Interstellar.
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Interstellar was a good one. Not that 2001 wasn’t.

space stuff is fascinating. What perplexes me is how we try to fit all this stuff into our box of knowledge that keeps expanding. We don’t have a clue really. Just trying to fake it till we make it. It’s almost like children explaining stuff that we keep understanding more at a time. What’s out there is a really really really really big topic and how it works is even bigger.
 
The more we think we know .... the more it's just theory.
 
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