Register | Sign In


Understanding through Discussion


EvC Forum active members: 64 (9164 total)
4 online now:
Newest Member: ChatGPT
Post Volume: Total: 916,756 Year: 4,013/9,624 Month: 884/974 Week: 211/286 Day: 18/109 Hour: 1/1


Thread  Details

Email This Thread
Newer Topic | Older Topic
  
Author Topic:   The Big Nothing
GDR
Member
Posts: 6202
From: Sidney, BC, Canada
Joined: 05-22-2005
Member Rating: 2.1


Message 1 of 18 (418044)
08-26-2007 2:15 AM


I would like to see a discussion centered on what the discovery of the huge hole in the universe means to our understanding of things.
The Big Nothing
I'm not sure where it should go as I have no point to make. I just want to ask the question.

Replies to this message:
 Message 2 by Adminnemooseus, posted 08-26-2007 3:54 PM GDR has not replied
 Message 4 by jar, posted 08-26-2007 4:03 PM GDR has replied
 Message 5 by Phat, posted 08-26-2007 4:51 PM GDR has not replied
 Message 9 by Taz, posted 08-27-2007 2:19 AM GDR has not replied

  
Adminnemooseus
Administrator
Posts: 3974
Joined: 09-26-2002


Message 2 of 18 (418160)
08-26-2007 3:54 PM
Reply to: Message 1 by GDR
08-26-2007 2:15 AM


Pre-promotion notes
Buzsaw was trying to make some sort of philosophical discussion based on this discovery. His "Proposed New Topic" (PNT) New Discovery: Giant Empty Space In Orion was ultimately withdrawn/rejected. In message 23 there, I provided a couple of other links to the story:
http://www.canada.com/edmontonjournal/news/...
http://www.theaustralian.news.com.au/story/...
If this is indeed such a big mystery to the astronomers, I highly doubt we're going to solve it here. But I will promote it.
Adminnemooseus

New Members should start HERE to get an understanding of what makes great posts.
Comments on moderation procedures (or wish to respond to admin messages)? - Go to:
General discussion of moderation procedures
Thread Reopen Requests
Considerations of topic promotions from the "Proposed New Topics" forum
Other useful links:
Forum Guidelines, [thread=-19,-112], [thread=-17,-45], [thread=-19,-337], [thread=-14,-1073]
Admin writes:
It really helps moderators figure out if a topic is disintegrating because of general misbehavior versus someone in particular if the originally non-misbehaving members kept it that way. When everyone is prickly and argumentative and off-topic and personal then it's just too difficult to tell. We have neither infinite time to untie the Gordian knot, nor the wisdom of Solomon.
There used to be a comedian who presented his ideas for a better world, and one of them was to arm everyone on the highway with little rubber dart guns. Every time you see a driver doing something stupid, you fire a little dart at his car. When a state trooper sees someone driving down the highway with a bunch of darts all over his car he pulls him over for being an idiot.
Please make it easy to tell you apart from the idiots. Source

This message is a reply to:
 Message 1 by GDR, posted 08-26-2007 2:15 AM GDR has not replied

Replies to this message:
 Message 16 by aram, posted 09-11-2007 9:56 PM Adminnemooseus has not replied

  
Adminnemooseus
Administrator
Posts: 3974
Joined: 09-26-2002


Message 3 of 18 (418162)
08-26-2007 3:55 PM


Thread moved here from the Proposed New Topics forum.

  
jar
Member (Idle past 420 days)
Posts: 34026
From: Texas!!
Joined: 04-20-2004


Message 4 of 18 (418163)
08-26-2007 4:03 PM
Reply to: Message 1 by GDR
08-26-2007 2:15 AM


Space.com has a good writeup on it. One thing to note is that it is NOT empty, but rather "mostly devoid of stars, gas and other normal matter, and it's also strangely empty of the mysterious 'dark matter' that permeates the cosmos" in the words of the Space.com article.
It is also not the only such area but rather just the biggest found so far, and it shows a drop in the expected distribution, not a total absence. It had been noted before, appearing as a vast cold spot on the WMAP.
Likely we will learn more about it, and what we learn will certainly tell us more about how the Universe developed.

Aslan is not a Tame Lion

This message is a reply to:
 Message 1 by GDR, posted 08-26-2007 2:15 AM GDR has replied

Replies to this message:
 Message 6 by GDR, posted 08-26-2007 5:13 PM jar has replied

  
Phat
Member
Posts: 18333
From: Denver,Colorado USA
Joined: 12-30-2003
Member Rating: 1.0


Message 5 of 18 (418167)
08-26-2007 4:51 PM
Reply to: Message 1 by GDR
08-26-2007 2:15 AM


Figuring Out The Universe
It is 1000 times bigger than other similar voids found in the past. One researcher says that it certainly needs to be examined and taken seriously and not simply ignored or written off as an anomaly.
The universe is so darn big that the time and money needed to explore it won't allow us to understand it anytime soon. I wish we just knew everything!
Its frustrating to learn about things so slowly!

This message is a reply to:
 Message 1 by GDR, posted 08-26-2007 2:15 AM GDR has not replied

  
GDR
Member
Posts: 6202
From: Sidney, BC, Canada
Joined: 05-22-2005
Member Rating: 2.1


Message 6 of 18 (418170)
08-26-2007 5:13 PM
Reply to: Message 4 by jar
08-26-2007 4:03 PM


Hi Jar
Thanks for the link. I remember reading that you could be anywhere in the universe and looking up in the sky would look the same as anywhere else. It now appearts that isn't correct.
Does this do anything to the Big Bang theory as it appears that the expansion is very uneven?
I suppose this is just another piece of the puzzle.

Everybody is entitled to my opinion.

This message is a reply to:
 Message 4 by jar, posted 08-26-2007 4:03 PM jar has replied

Replies to this message:
 Message 7 by jar, posted 08-26-2007 6:00 PM GDR has not replied
 Message 8 by jar, posted 08-27-2007 12:34 AM GDR has not replied

  
jar
Member (Idle past 420 days)
Posts: 34026
From: Texas!!
Joined: 04-20-2004


Message 7 of 18 (418172)
08-26-2007 6:00 PM
Reply to: Message 6 by GDR
08-26-2007 5:13 PM


Changes to the Big Bang?
Best ask someone like CaveDiver who would know quite a bit more but I would doubt it. First, this is long, long after the BB and one thing that was clear from WMAP is that things were never very uniform. If you look at some of the images from WMAP you'll see that things were pretty chaotic, and lots of stuff going on. There were hotter and colder areas, various polarizations, lots of movement.
But remember we are JUST starting to analyze the data we've gathered. WMAP was not even launched until 2001 so we are very early in the learning cycle and it has already contributed enormous volumes of data, speculation and research.

Aslan is not a Tame Lion

This message is a reply to:
 Message 6 by GDR, posted 08-26-2007 5:13 PM GDR has not replied

  
jar
Member (Idle past 420 days)
Posts: 34026
From: Texas!!
Joined: 04-20-2004


Message 8 of 18 (418219)
08-27-2007 12:34 AM
Reply to: Message 6 by GDR
08-26-2007 5:13 PM


Some more information on voids.
I found a few other links related to the various voids that have been mapped.
This is a link to some of the earlier material
And today's APOD was on the most recent.
Direct link only for 08-27-07
After that date you will have to search by date.
One interesting point is :
The void is not a hole in space like a black hole, but rather a vast region of the universe that appears to be mostly devoid of normal matter and even dark matter. The void is still thought to contain dark energy, though, and is clearly traversable by light.
so as mentioned in an earlier message, it is certainly not empty.

Aslan is not a Tame Lion

This message is a reply to:
 Message 6 by GDR, posted 08-26-2007 5:13 PM GDR has not replied

  
Taz
Member (Idle past 3317 days)
Posts: 5069
From: Zerus
Joined: 07-18-2006


Message 9 of 18 (418241)
08-27-2007 2:19 AM
Reply to: Message 1 by GDR
08-26-2007 2:15 AM


From your own link...
quote:
Holes in the universe probably occur when the gravity from areas with bigger mass pull matter from less dense areas, Tully said. After 13 billion years "they are losing out in the battle to where there are larger concentrations of matter," he said.

Disclaimer:
Occasionally, owing to the deficiency of the English language, I have used he/him/his meaning he or she/him or her/his or her in order to avoid awkwardness of style.
He, him, and his are not intended as exclusively masculine pronouns. They may refer to either sex or to both sexes!

This message is a reply to:
 Message 1 by GDR, posted 08-26-2007 2:15 AM GDR has not replied

  
jar
Member (Idle past 420 days)
Posts: 34026
From: Texas!!
Joined: 04-20-2004


Message 10 of 18 (418374)
08-27-2007 9:24 PM


Need help from the cosmologists.
When is this void?
It appears to be about 6-10 billion light years from Earth and early estimates seem to say it is about a billion light years across.

Aslan is not a Tame Lion

  
Ihategod
Member (Idle past 6055 days)
Posts: 235
Joined: 08-15-2007


Message 11 of 18 (418400)
08-27-2007 11:39 PM


The gaping hole
This hole represents the ignorance of western civilization. As does the solar eclipse befuddle the arrogance of our intellectuals. Maybe the astrologers forgot to wipe off the lenses?

Replies to this message:
 Message 12 by Adminnemooseus, posted 08-27-2007 11:49 PM Ihategod has replied

  
Adminnemooseus
Administrator
Posts: 3974
Joined: 09-26-2002


Message 12 of 18 (418404)
08-27-2007 11:49 PM
Reply to: Message 11 by Ihategod
08-27-2007 11:39 PM


Trite message warning
While it's nice that you're supplying a creationist side view all over the place, how about some quality in your messages?
...astrologers...
That would be "astronomers".
Adminnemooseus

New Members should start HERE to get an understanding of what makes great posts.
Comments on moderation procedures (or wish to respond to admin messages)? - Go to:
General discussion of moderation procedures
Thread Reopen Requests
Considerations of topic promotions from the "Proposed New Topics" forum
Other useful links:
Forum Guidelines, [thread=-19,-112], [thread=-17,-45], [thread=-19,-337], [thread=-14,-1073]
Admin writes:
It really helps moderators figure out if a topic is disintegrating because of general misbehavior versus someone in particular if the originally non-misbehaving members kept it that way. When everyone is prickly and argumentative and off-topic and personal then it's just too difficult to tell. We have neither infinite time to untie the Gordian knot, nor the wisdom of Solomon.
There used to be a comedian who presented his ideas for a better world, and one of them was to arm everyone on the highway with little rubber dart guns. Every time you see a driver doing something stupid, you fire a little dart at his car. When a state trooper sees someone driving down the highway with a bunch of darts all over his car he pulls him over for being an idiot.
Please make it easy to tell you apart from the idiots. Source

This message is a reply to:
 Message 11 by Ihategod, posted 08-27-2007 11:39 PM Ihategod has replied

Replies to this message:
 Message 13 by Ihategod, posted 08-29-2007 10:52 PM Adminnemooseus has not replied

  
Ihategod
Member (Idle past 6055 days)
Posts: 235
Joined: 08-15-2007


Message 13 of 18 (418708)
08-29-2007 10:52 PM
Reply to: Message 12 by Adminnemooseus
08-27-2007 11:49 PM


Re: Trite message warning
From wikipedia:
At this time astrology and astronomy were not distinguished as separate disciplines; the act of astronomical observation was often done by someone who had astrological motives for doing so. Indeed, astrologers' professional responsibility and desire for predictive knowledge for a large part spurred the advancement of astronomy, and the Babylonians developed a very precise ability to mathematically predict the location of celestial points and phenomena based upon their observable cycles.
Astrology - Wikipedia
I apologize if I was being facetious. Although, I intended that to be my contribution of a hypothesis. Is there certain rules about replying to admins? I don't want to break anymore rules.

This message is a reply to:
 Message 12 by Adminnemooseus, posted 08-27-2007 11:49 PM Adminnemooseus has not replied

Replies to this message:
 Message 14 by AdminNosy, posted 08-29-2007 11:03 PM Ihategod has not replied
 Message 15 by Taz, posted 08-29-2007 11:34 PM Ihategod has not replied

  
AdminNosy
Administrator
Posts: 4754
From: Vancouver, BC, Canada
Joined: 11-11-2003


Message 14 of 18 (418713)
08-29-2007 11:03 PM
Reply to: Message 13 by Ihategod
08-29-2007 10:52 PM


For discussing moderation
General Discussion Of Moderation Procedures 12.0
This thread is where questions, disagreements and comments regarding administrative actions maybe posted. This avoids cluttering up the main threads.

This message is a reply to:
 Message 13 by Ihategod, posted 08-29-2007 10:52 PM Ihategod has not replied

  
Taz
Member (Idle past 3317 days)
Posts: 5069
From: Zerus
Joined: 07-18-2006


Message 15 of 18 (418721)
08-29-2007 11:34 PM
Reply to: Message 13 by Ihategod
08-29-2007 10:52 PM


Re: Trite message warning
I'm sorry, perhaps I'm just a moron. I just don't understand what point you're trying to get across and what it has to do with the topic of the thread.
Vashgun writes:
Although, I intended that to be my contribution of a hypothesis. Is there certain rules about replying to admins? I don't want to break anymore rules.
You're lucky you're not responding to AdminPD. She'll suspend your ass for 24 hours everytime you respond to one of her warning/request posts.

Disclaimer:
Occasionally, owing to the deficiency of the English language, I have used he/him/his meaning he or she/him or her/his or her in order to avoid awkwardness of style.
He, him, and his are not intended as exclusively masculine pronouns. They may refer to either sex or to both sexes!

This message is a reply to:
 Message 13 by Ihategod, posted 08-29-2007 10:52 PM Ihategod has not replied

  
Newer Topic | Older Topic
Jump to:


Copyright 2001-2023 by EvC Forum, All Rights Reserved

™ Version 4.2
Innovative software from Qwixotic © 2024