Science going backwards
Edgar Allan Poe described in his prose poem, Eureka, that the universe began with an "instantaneous flash" and could end with a collapse (this was almost 80 years before Georges Lemaître first noted that an expanding universe might be traced back in time to an originating single point).
I suppose that, as distance is increased between galaxies, science will need to be constantly rewritten. But, even the rewrites will need revision when the collapse is imminent; unless Red Dwarf is correct about life itself reversing to include backwards speech and backwards births.
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In many thousands of years, if humans are still here, their science will go backwards in a significant way. By that time, only our galaxy will be visible. The other galaxies will be further away and moving away so fast that we will no longer see them. The very notion of galaxies other than our own will become nothing more than myth, changing how people in that time understand the universe. We have the evidence for what's out there, right now, beyond our own galaxy, but eventually that evidence will disappear.
NO!
Not "thousands of years from now". I saw that video someone posted here (it was good).
More like 100's of billions of years from now.
After we are extinct- some future creatures will evolve in a future galaxy (long long from now, and far far away) who will become intelligent, and have opposible thumbs, and will evolve civilization. And they will look through telescopes, and they will not see stuff that we can see now.
Whats interesting about it is- that implies that there is stuff already out there that WE ourselves can't see. We may already be missing some big part of the picture because our universe has already shaken off evidence visible at an earlier time billions of years ago.
More like 100's of billions of years from now.
Yay!
I wondered who would pick up on this.
You are correct.
And yes, I posted that video here a few days ago.
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Tollorin
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More like 100's of billions of years from now.
Yay!
I wondered who would pick up on this.
You are correct.
And yes, I posted that video here a few days ago.
I picked up on this; you didn't see it?
http://wrongplanet.net/forums/viewtopic.php?t=276073&p=6462870#p6462870
More like 100's of billions of years from now.
Yay!
I wondered who would pick up on this.
You are correct.
And yes, I posted that video here a few days ago.
I picked up on this; you didn't see it?
http://wrongplanet.net/forums/viewtopic.php?t=276073&p=6462870#p6462870
Apologies, Tollorin... you were right too. I was being pedantic on the detail. I did see your post, but I was hoping for a sign of who watched the Krauss video, to correct me on what Krauss actually said.
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DentArthurDent
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Not quite Fnord, what Krauss and others are suggesting is that due to the increased speed of the expansion of the universe in around 2 trillion years the thunivers will exceed the speed of light meaning that light waves from other galaxies will become larger the the universe and therefore invisible
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Not quite Fnord, what Krauss and others are suggesting is that due to the increased speed of the expansion of the universe in around 2 trillion years the thunivers will exceed the speed of light meaning that light waves from other galaxies will become larger the the universe and therefore invisible
Well...Fnord obviously missed the video that the OP posted that some of us saw. But he correctly answered the question -as it was stated- which was "many thousands of years from now" (which is hardly the same thing as "a trillion years from now"). The question itsself distorted what the video lecturer said. And the OP admitted that his post was kind of trick question to see if any of us lazy people were paying attention to the video he posted.
Tollorin
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More like 100's of billions of years from now.
Yay!
I wondered who would pick up on this.
You are correct.
And yes, I posted that video here a few days ago.
I picked up on this; you didn't see it?
http://wrongplanet.net/forums/viewtopic.php?t=276073&p=6462870#p6462870
Apologies, Tollorin... you were right too. I was being pedantic on the detail. I did see your post, but I was hoping for a sign of who watched the Krauss video, to correct me on what Krauss actually said.
To be fair I didn't watched the video, I simply said what was making sense to me; thousand of years is short for the Universe.
DentArthurDent
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Naturalplastic I did not read the rest of the posts, nor did I fully read the title, nor did I watch the vid, read the book though. So sorry Fnord, given the statement by the op you answered correctly.
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DentArthurDent
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The issue will concern any sentient lifeforms on any planet. Essentially in 2 trillion years or so any observer of the cosmos will not be able to discern any other galaxies, no matter where they are situated in the universe.
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Materialist ideologues have already destroyed science... no need to wait.
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I suppose if we're willing to play with Hindu units of time we have quite a bit of expansion just that that it will eventually complete a collapse in something like 3.10 trillion years. In that sense for most of the 'Year of Brahma' (maybe a good 3 trillion years of that?) most places in the universe will have a pretty dark sky at night - especially if you don't have a moon! Astronomers better get while the getting is good!
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Redshift is not assumed to be caused by the Doppler effect. Some of it is, but the expansion of the universe also plays a role - more distant galaxies show greater redshift.
We've observed redshift. We haven't observed inherent differences in the EM spectra of quasars. Sorry, that's neither more plausible nor more likely.
Redshift is not assumed to be caused by the Doppler effect. Some of it is, but the expansion of the universe also plays a role - more distant galaxies show greater redshift.
We've observed redshift. We haven't observed inherent differences in the EM spectra of quasars. Sorry, that's neither more plausible nor more likely.
You need to do some real homework! Popular media "science docos" are only "infotainment" (sales/marketing gimmicks) flogging snake oil type ideology.
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