The Milky Way

Message boards : Science (non-SETI) : The Milky Way
Message board moderation

To post messages, you must log in.

1 · 2 · Next

AuthorMessage
Profile Lynn Special Project $75 donor
Volunteer tester
Avatar

Send message
Joined: 20 Nov 00
Posts: 14162
Credit: 79,603,650
RAC: 123
United States
Message 1568112 - Posted: 6 Sep 2014, 6:29:11 UTC
Last modified: 6 Sep 2014, 6:31:44 UTC

New Galaxy Map Relocates The Milky Way To A Ginormous Supercluster Called Laniakea

Astronomers have long had a sense of where the Milky Way is in relation to other galaxies, but a new three-dimensional star map gives us a more nuanced look at our cosmic neighborhood.

http://www.huffingtonpost.com/2014/09/05/laniakea-supercluster-galaxy-tully_n_5763274.html

Edit:
Video and map.
ID: 1568112 · Report as offensive
Profile Lynn Special Project $75 donor
Volunteer tester
Avatar

Send message
Joined: 20 Nov 00
Posts: 14162
Credit: 79,603,650
RAC: 123
United States
Message 1568960 - Posted: 8 Sep 2014, 1:09:51 UTC - in response to Message 1568189.  

you're welcome, Chris.

Looking at the map again, reminder of We Are Small And Insignificant.

Laniakea spans some 520 million light-years across. HUGE! Maybe we are not alone.
ID: 1568960 · Report as offensive
Profile Bob DeWoody
Avatar

Send message
Joined: 9 May 10
Posts: 3387
Credit: 4,182,900
RAC: 10
United States
Message 1568972 - Posted: 8 Sep 2014, 2:05:18 UTC - in response to Message 1568960.  

you're welcome, Chris.

Looking at the map again, reminder of We Are Small And Insignificant.

+1 Very much so. And Lanikea is just a small portion of what we know as the universe.
Bob DeWoody

My motto: Never do today what you can put off until tomorrow as it may not be required. This no longer applies in light of current events.
ID: 1568972 · Report as offensive
Darth Beaver Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Avatar

Send message
Joined: 20 Aug 99
Posts: 6728
Credit: 21,443,075
RAC: 3
Australia
Message 1569040 - Posted: 8 Sep 2014, 6:40:41 UTC

very interesting Lynn .

I wonder is there a big black hole in the middle of the great Attractor ? I'm a bit confused now if we are all moving farther away from each other how does the Great Attractor play into this and will we end up with harf a dozen super super super massive black holes in the universe .

If so then would we not have a conventional ending to the Universe ? a big CRUNCH in stead of a slow cold death ?
ID: 1569040 · Report as offensive
Profile Lynn Special Project $75 donor
Volunteer tester
Avatar

Send message
Joined: 20 Nov 00
Posts: 14162
Credit: 79,603,650
RAC: 123
United States
Message 1569044 - Posted: 8 Sep 2014, 7:00:04 UTC - in response to Message 1569040.  

very interesting Lynn .

I wonder is there a big black hole in the middle of the great Attractor ? I'm a bit confused now if we are all moving farther away from each other how does the Great Attractor play into this and will we end up with harf a dozen super super super massive black holes in the universe .

If so then would we not have a conventional ending to the Universe ? a big CRUNCH in stead of a slow cold death ?


Glenn, Within the boundaries of the Laniakea Supercluster, galaxy motions are directed inward, in the same way that water streams follow descending paths toward a valley. The Great Attractor region is a large flat bottom gravitational valley with a sphere of attraction that extends across the Laniakea Supercluster.

Black Holes are everywhere. Only one is in our Milky Way.I'm not going to be around when our universe ends. I don't think anyone can guess a big crunch, or slow death. No one knows our fate, or can guess it.
ID: 1569044 · Report as offensive
Darth Beaver Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Avatar

Send message
Joined: 20 Aug 99
Posts: 6728
Credit: 21,443,075
RAC: 3
Australia
Message 1569052 - Posted: 8 Sep 2014, 7:56:09 UTC - in response to Message 1569044.  

The Great Attractor region is a large flat bottom gravitational valley with a sphere of attraction that extends across the Laniakea Supercluster.


So what is it then if not a black hole , something must be creating the gravitational well ?

Witch has me very confused . I have herd that evidence for a Multiverse can be seen in the stars as they are all heading towards 1 side and 1 direction is this what it is a gravitational valley pulling everything towards another Universe ?
ID: 1569052 · Report as offensive
Profile William Rothamel
Avatar

Send message
Joined: 25 Oct 06
Posts: 3756
Credit: 1,999,735
RAC: 4
United States
Message 1569077 - Posted: 8 Sep 2014, 9:39:09 UTC - in response to Message 1569052.  

Mass creates what we call gravity. There is no such Attractor. What there is is a warping of space by the mass in the Galaxies and objects will "roll down the hill" because everything wants to be in the lowest energy state.
ID: 1569077 · Report as offensive
Darth Beaver Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Avatar

Send message
Joined: 20 Aug 99
Posts: 6728
Credit: 21,443,075
RAC: 3
Australia
Message 1569136 - Posted: 8 Sep 2014, 11:34:46 UTC - in response to Message 1569077.  

william that does not make cents mate .

I'm thinking it what they have found out by looking at the background radiation .

That another universe has touched ours and our universe is being swallowed up by this other verse and that is what is causing the grav well it's pulling our verse into it .

as you said gravity is caused by mass so unless there is some sort of Black or white hole in the middle then i can only think of what has been found so far and that is our verse is being pulled into another 1 .

Life is stranger than fiction .
ID: 1569136 · Report as offensive
Profile William Rothamel
Avatar

Send message
Joined: 25 Oct 06
Posts: 3756
Credit: 1,999,735
RAC: 4
United States
Message 1569183 - Posted: 8 Sep 2014, 15:10:47 UTC - in response to Message 1569136.  

We are apparently expanding equally in all outward directions. The exception to this is when 2 galaxies are close enough to attract each other such as the Milky Way and the Andromeda Galaxies. If we were attracted by another universe we would be going in a single direction. The trouble is that there may be no marker or signpost to answer this question out there in the Cosmos.

What evidence is there for another universe?
ID: 1569183 · Report as offensive
Profile Julie
Volunteer moderator
Volunteer tester
Avatar

Send message
Joined: 28 Oct 09
Posts: 34053
Credit: 18,883,157
RAC: 18
Belgium
Message 1569280 - Posted: 8 Sep 2014, 19:24:09 UTC - in response to Message 1569183.  

We are apparently expanding equally in all outward directions. The exception to this is when 2 galaxies are close enough to attract each other such as the Milky Way and the Andromeda Galaxies. If we were attracted by another universe we would be going in a single direction. The trouble is that there may be no marker or signpost to answer this question out there in the Cosmos.

What evidence is there for another universe?



True, Hubble spoke of the Universe, having no center, no central point from which we're expanding. The fact that galaxies attract each other, is the result of their mass and its influence on gravity. A multiverse is a true hypothesis imo.
rOZZ
Music
Pictures
ID: 1569280 · Report as offensive
anniet
Volunteer tester
Avatar

Send message
Joined: 2 Feb 14
Posts: 7105
Credit: 1,577,368
RAC: 75
Zambia
Message 1569320 - Posted: 8 Sep 2014, 20:13:40 UTC

Wow! We're even prettier than I thought! Thanks for the link Lynn, very interesting :)
ID: 1569320 · Report as offensive
Darth Beaver Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Avatar

Send message
Joined: 20 Aug 99
Posts: 6728
Credit: 21,443,075
RAC: 3
Australia
Message 1569480 - Posted: 9 Sep 2014, 5:57:36 UTC - in response to Message 1569183.  

William please watch the vid in Lynn's link then we can talk , your not making cents mate
ID: 1569480 · Report as offensive
Profile Lynn Special Project $75 donor
Volunteer tester
Avatar

Send message
Joined: 20 Nov 00
Posts: 14162
Credit: 79,603,650
RAC: 123
United States
Message 1569509 - Posted: 9 Sep 2014, 7:02:59 UTC - in response to Message 1569480.  

Glenn wrote:

The Great Attractor region is a large flat bottom gravitational valley with a sphere of attraction that extends across the Laniakea Supercluster.



So what is it then if not a black hole , something must be creating the gravitational well ?

Witch has me very confused . I have herd that evidence for a Multiverse can be seen in the stars as they are all heading towards 1 side and 1 direction is this what it is a gravitational valley pulling everything towards another Universe ?

I see you point Glenn, and have to agree, could be a black hole, or dark matter.
I listened to the video again, and something so vast in light years just blows my mind. Your other point about another universe, mine, another dimension.




Annie, your welcome :)
ID: 1569509 · Report as offensive
Darth Beaver Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Avatar

Send message
Joined: 20 Aug 99
Posts: 6728
Credit: 21,443,075
RAC: 3
Australia
Message 1569855 - Posted: 10 Sep 2014, 1:56:54 UTC

Lynn i agree with you on that if there is another Universe then it will probably be in another dimension from ours

Could also explain why there is less mass in our universe than we thought there was , maybe it's been sucked into the great attractor aka the other Universe or dimension

The weirder the idea the more lickely is may be true !
ID: 1569855 · Report as offensive
Profile Lynn Special Project $75 donor
Volunteer tester
Avatar

Send message
Joined: 20 Nov 00
Posts: 14162
Credit: 79,603,650
RAC: 123
United States
Message 1570203 - Posted: 11 Sep 2014, 0:33:15 UTC - in response to Message 1569855.  

Lynn i agree with you on that if there is another Universe then it will probably be in another dimension from ours

Could also explain why there is less mass in our universe than we thought there was , maybe it's been sucked into the great attractor aka the other Universe or dimension

The weirder the idea the more lickely is may be true !



I watch way to much of Brian Greene, on DVD.
ID: 1570203 · Report as offensive
Profile Bob DeWoody
Avatar

Send message
Joined: 9 May 10
Posts: 3387
Credit: 4,182,900
RAC: 10
United States
Message 1570258 - Posted: 11 Sep 2014, 1:27:10 UTC

I am still convinced that what we know about the universe is only a drop in a bucket compared to oceans of what we don't know and can't see.
Bob DeWoody

My motto: Never do today what you can put off until tomorrow as it may not be required. This no longer applies in light of current events.
ID: 1570258 · Report as offensive
anniet
Volunteer tester
Avatar

Send message
Joined: 2 Feb 14
Posts: 7105
Credit: 1,577,368
RAC: 75
Zambia
Message 1570262 - Posted: 11 Sep 2014, 1:33:26 UTC - in response to Message 1570258.  

I am still convinced that what we know about the universe is only a drop in a bucket compared to oceans of what we don't know and can't see.


+ LOADS!!!! :)
ID: 1570262 · Report as offensive
Darth Beaver Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Avatar

Send message
Joined: 20 Aug 99
Posts: 6728
Credit: 21,443,075
RAC: 3
Australia
Message 1570313 - Posted: 11 Sep 2014, 4:43:24 UTC - in response to Message 1570203.  

I watch way to much of Brian Greene, on DVD


Na you don't . Can't watch to much science Doco's all ways some thing to learn and when a guy like Brain Green explain it in a way dummy's like me can understand well you can't watch to much of him heheheh
ID: 1570313 · Report as offensive
Profile tullio
Volunteer tester

Send message
Joined: 9 Apr 04
Posts: 8797
Credit: 2,930,782
RAC: 1
Italy
Message 1570347 - Posted: 11 Sep 2014, 6:43:46 UTC - in response to Message 1570258.  

I am still convinced that what we know about the universe is only a drop in a bucket compared to oceans of what we don't know and can't see.

I think Newton had the same opinion.
Tullio
ID: 1570347 · Report as offensive
Profile Lynn Special Project $75 donor
Volunteer tester
Avatar

Send message
Joined: 20 Nov 00
Posts: 14162
Credit: 79,603,650
RAC: 123
United States
Message 1570353 - Posted: 11 Sep 2014, 6:58:03 UTC - in response to Message 1570313.  

I watch way to much of Brian Greene, on DVD


Na you don't . Can't watch to much science Doco's all ways some thing to learn and when a guy like Brain Green explain it in a way dummy's like me can understand well you can't watch to much of him heheheh


Love the way he talks, gets you interested, from the get go.
Gotta love Brian Greene.
ID: 1570353 · Report as offensive
1 · 2 · Next

Message boards : Science (non-SETI) : The Milky Way


 
©2024 University of California
 
SETI@home and Astropulse are funded by grants from the National Science Foundation, NASA, and donations from SETI@home volunteers. AstroPulse is funded in part by the NSF through grant AST-0307956.