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(Big Think)   By the time you finish this sentence, another 100,000 stars will have disappeared from our reach in the expanding Universe   (bigthink.com) divider line
    More: Creepy, Universe, General relativity, Galaxy, Redshift, Dark matter, Observable universe, speed of light, Big Bang  
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439 clicks; posted to STEM » on 26 Jan 2022 at 11:20 AM (16 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook



26 Comments     (+0 »)
View Voting Results: Smartest and Funniest
 
2022-01-26 7:47:26 AM  
"Ah, but a man's reach should exceed his grasp, Or what's a heaven for?" - Robert Browning
 
2022-01-26 7:51:13 AM  
Most are unreachable?

It took us 9 years to get to Pluto. The Voyager's won't reach the Oort Cloud for another 300 years.

In the distant future only the local group will remain. Don't worry, Andromeda is slamming into us in 5 billion years.

Oh, earth will be gone by then.

Let's establish, maybe Mars, or some moons around Jupiter and Saturn in the meantime.
 
2022-01-26 8:41:37 AM  
Fewer stars mean fewer planets mean fewer debt collectors.

And that means fewer problems for me.
 
2022-01-26 8:43:24 AM  
Clearly we should do something about this before we suffer from a star deficit.
 
2022-01-26 11:13:23 AM  
I saw this episode of Doctor Who.  It had his companion The Mostest Specialest Girl in the Universe featured in it, right?
 
2022-01-26 11:23:25 AM  
An eternal slow march to the cold black emptiness of the inevitable void. It must be Wednesday.
 
Juc [TotalFark]
2022-01-26 11:28:56 AM  
oh well, those stars will blow up at some point, that'll learn 'em.
 
2022-01-26 11:39:29 AM  
Uhm.

Those galaxies are unreachable.
All the other galaxies are unreachable.
Any other Earthlike planet is unreachable.
Even the closest star, Proxima Centauri, is unreachable.
We aren't going anywhere.

/you'll get over it
 
2022-01-26 11:46:47 AM  

madgonad: Uhm.

Those galaxies are unreachable.
All the other galaxies are unreachable.
Any other Earthlike planet is unreachable.
Even the closest star, Proxima Centauri, is unreachable.
We aren't going anywhere.

/you'll get over it


Theoretically no. We may not understand the ways to currently go there in reasonable time frames, but until we fully unlock physics and understand the complete rules of the universe it isnt true to say its impossible to leave the galaxy. We may be bale to create stable wormholes or understand how to break the ftl barrier in some form or another (subspace, etc) and be able to leave. But right now we are basically children learning how multiplication works with how well we actually understand physics in its entirety.


Oh and here is the far superior version of ethans word vomit from last year

TRUE Limits Of Humanity - The Final Border We Will Never Cross
Youtube uzkD5SeuwzM
 
2022-01-26 11:52:49 AM  
There are roughly 1 billion trillion (1021) stars in the observable universe. TFA doesn't actually say anything about the rate at which we're "losing" them, but if we "lose" 100,000 every 6 seconds (a million, or 106, every minute), it'll take 1015 minutes to lose all of them.

1015 minutes = 16,666,666,666,666 hours + 40 minutes = 1,902,587,519 years + 10(ish) days

Almost 2 billion years.

// no one told you there would be no math
// and no one said it would be so haaaaaaaaaaard
// going back to the start
// SCIENCE!
 
2022-01-26 12:00:38 PM  
Well shiat, I guess I better stop reading.
 
2022-01-26 12:07:18 PM  
Heat Death
 
2022-01-26 12:12:57 PM  

lifeslammer: We may not understand the ways to currently go there in reasonable time frames, but until we fully unlock physics and understand the complete rules of the universe it isnt true to say its impossible to leave the galaxy.


I think that video hides a tiny nugget of truth buried back in the treatment of Milkdromeda. Civilizations evolving in the distant future in Milkdromeda won't be able to 'see' other galaxies so they won't even be able to guess at ideas like the Big Bang. I think something like that has already happened to us. We do not have, nor will we ever have, the ability to understand some aspects of our universe because the event that involved it has passed and is not reproducible. We currently call the impact of those past events 'dark matter' or 'dark energy' because we need a certain 'fudge-factor' to balance our equations and it seems to work. Whatever happened resulted in a 'sandbox' generating universe. The vastness of space and our squishy nature have pretty much confined us to our own private box. We are currently riding high based upon the size of our population and our available resources - but those resources are going to be increasingly finite and our population will only have appetite for 'blue-sky research' for so long before more pressing parochial needs dominate our attention. I don't know if the scale will tip in my lifetime, but I would be surprised if our planet's engagement with the universe around us will extend much past the end of this century.
 
2022-01-26 12:22:13 PM  

Dr Dreidel: There are roughly 1 billion trillion (1021) stars in the observable universe. TFA doesn't actually say anything about the rate at which we're "losing" them, but if we "lose" 100,000 every 6 seconds (a million, or 106, every minute), it'll take 1015 minutes to lose all of them.

1015 minutes = 16,666,666,666,666 hours + 40 minutes = 1,902,587,519 years + 10(ish) days

Almost 2 billion years.

// no one told you there would be no math
// and no one said it would be so haaaaaaaaaaard
// going back to the start
// SCIENCE!


Except the rate of expansion is accelerating.
 
2022-01-26 12:30:44 PM  

lifeslammer: madgonad: Uhm.

Those galaxies are unreachable.
All the other galaxies are unreachable.
Any other Earthlike planet is unreachable.
Even the closest star, Proxima Centauri, is unreachable.
We aren't going anywhere.

/you'll get over it

Theoretically no. We may not understand the ways to currently go there in reasonable time frames, but until we fully unlock physics and understand the complete rules of the universe it isnt true to say its impossible to leave the galaxy. We may be bale to create stable wormholes or understand how to break the ftl barrier in some form or another (subspace, etc) and be able to leave. But right now we are basically children learning how multiplication works with how well we actually understand physics in its entirety.


Oh and here is the far superior version of ethans word vomit from last year

[YouTube video: TRUE Limits Of Humanity - The Final Border We Will Never Cross]


Right. It's not impossible to leave the galaxy. Just like it's not impossible for me to win the Powerball jackpot every drawing for an entire year. It's just way more likely that I would win the Powerball jackpot every drawing for an entire year.
 
2022-01-26 12:52:55 PM  

I hereby demand that I be given a Fark account: Except the rate of expansion is accelerating.


Look, do you want back-of-the-envelope math, or something worthy for publication?
 
2022-01-26 12:55:22 PM  

Circusdog320: Most are unreachable?

It took us 9 years to get to Pluto. The Voyager's won't reach the Oort Cloud for another 300 years.

In the distant future only the local group will remain. Don't worry, Andromeda is slamming into us in 5 billion years.

Oh, earth will be gone by then.

Let's establish, maybe Mars, or some moons around Jupiter and Saturn in the meantime.


Unreachable, as in unable to observe, not physically go there.
 
2022-01-26 1:57:27 PM  

pheelix: Circusdog320: Most are unreachable?

It took us 9 years to get to Pluto. The Voyager's won't reach the Oort Cloud for another 300 years.

In the distant future only the local group will remain. Don't worry, Andromeda is slamming into us in 5 billion years.

Oh, earth will be gone by then.

Let's establish, maybe Mars, or some moons around Jupiter and Saturn in the meantime.

Unreachable, as in unable to observe, not physically go there.


Thank you. Was going to make some snarky comment about this brand new invention called "light" that can quickly traverse large distances.
 
2022-01-26 2:23:38 PM  
Damn it!

I was going to use those stars for my next project!

Agggghhhhh...
 
2022-01-26 3:19:37 PM  
I blame Kathleen Kennedy for this shrinking EU.
 
2022-01-26 3:34:22 PM  

sxacho: An eternal slow march to the cold black emptiness of the inevitable void. It must be Wednesday.


You're lucky it's not tomorrow. I never could get the hang of Thursdays.
 
2022-01-26 3:50:50 PM  
All we have to do is learn how to live longer then we can get to nearby stars.
 
2022-01-26 7:48:49 PM  

lifeslammer: madgonad: Uhm.

Those galaxies are unreachable.
All the other galaxies are unreachable.
Any other Earthlike planet is unreachable.
Even the closest star, Proxima Centauri, is unreachable.
We aren't going anywhere.

/you'll get over it

Theoretically no. We may not understand the ways to currently go there in reasonable time frames, but until we fully unlock physics and understand the complete rules of the universe it isnt true to say its impossible to leave the galaxy. We may be bale to create stable wormholes or understand how to break the ftl barrier in some form or another (subspace, etc) and be able to leave. But right now we are basically children learning how multiplication works with how well we actually understand physics in its entirety.


Oh and here is the far superior version of ethans word vomit from last year

[iFrame https://www.youtube.com/embed/uzkD5SeuwzM?autoplay=1&widget_referrer=https%3A%2F%2Fwww.fark.com&start=0&enablejsapi=1&origin=https%3A%2F%2Fwww.fark.com&widgetid=1]


Kurzgesagt channel? Really? OK, LOL.
 
2022-01-27 5:19:03 AM  

Harlee: lifeslammer: madgonad: Uhm.

Those galaxies are unreachable.
All the other galaxies are unreachable.
Any other Earthlike planet is unreachable.
Even the closest star, Proxima Centauri, is unreachable.
We aren't going anywhere.

/you'll get over it

Theoretically no. We may not understand the ways to currently go there in reasonable time frames, but until we fully unlock physics and understand the complete rules of the universe it isnt true to say its impossible to leave the galaxy. We may be bale to create stable wormholes or understand how to break the ftl barrier in some form or another (subspace, etc) and be able to leave. But right now we are basically children learning how multiplication works with how well we actually understand physics in its entirety.


Oh and here is the far superior version of ethans word vomit from last year

[iFrame https://www.youtube.com/embed/uzkD5SeuwzM?autoplay=1&widget_referrer=https%3A%2F%2Fwww.fark.com&start=0&enablejsapi=1&origin=https%3A%2F%2Fwww.fark.com&widgetid=1]

Kurzgesagt channel? Really? OK, LOL.


Well, from his grammar, you could consider him to have described it as a superior variety of word vomit.

I sometimes wonder who the main demographics are for that sort of channel.  They can't possibly be students or professionals related to the topical fields the channels tend to cover.  Children?
 
2022-01-27 9:46:01 AM  

Buttforce: I sometimes wonder who the main demographics are for that sort of channel.  They can't possibly be students or professionals related to the topical fields the channels tend to cover.  Children?


It is for 'everybody else'. My wife passed through the room and was intrigued by it and had me start from the beginning. Videos like this make complicated ideas more accessible to unscientific people - which is most of us.
 
2022-01-27 10:51:02 AM  
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