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Galaxies Collide to Create Hot, Huge Galaxy


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#1    thefinalfrontier

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Posted 16 March 2009 - 07:18 PM

Hearts of Galaxies Close in for Cosmic Train Wreck‏

This image of a pair of colliding galaxies called NGC 6240 shows them in a rare, short-lived phase of their evolution just before they merge into a single, larger galaxy. The prolonged, violent collision has drastically altered the appearance of both galaxies and created huge amounts of heat -- turning NGC 6240 into an "infrared luminous" active galaxy.

A rich variety of active galaxies, with different shapes, luminosities and radiation profiles exist. These galaxies may be related -- astronomers have suspected that they may represent an evolutionary sequence. By catching different galaxies in different stages of merging, a story emerges as one type of active galaxy changes into another. NGC 6240 provides an important "missing link" in this process.

This image was created from combined data from the infrared array camera of NASA's Spitzer Space Telescope at 3.6 and 8.0 microns (red) and visible light from NASA's Hubble Space Telescope (green and blue).

Image credit: NASA/JPL-Caltech/STScI-ESA

Link/Pic.

http://www.nasa.gov/mission_pages/spitzer/...r-20090316.html

Edited by thefinalfrontier, 16 March 2009 - 07:24 PM.


#2    Admiral Danger

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Posted 17 March 2009 - 05:57 PM

that actualy reminds me...

what's the size of the biggest known galaxy in the universe ?

thats a very interesting story about the shark and how it tried to eat you, but it still doesnt answer my question.  where the hell is my sandwitch!?

#3    thefinalfrontier

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Posted 17 March 2009 - 11:18 PM

dr alien on Mar 17 2009, 01:57 PM, said:

that actualy reminds me...

what's the size of the biggest known galaxy in the universe ?


Here ya go Dr.

Which is the biggest Galaxy in the Universe?

In: Astronomy    


The largest galaxy on record resides inside the Abell 2029 cluster, 1.07 billion light years away in the constellation of Serpens. Designated as IC 1101, the monstrous giant elliptical galaxy measures a whopping 6 million light years (as compared to the 100,000 ly of the Milky Way) in diameter and is said to be at least 60 times as large as the Milky Way. It also contains about 100 trillion stars (200-400 billion for the Milky Way).



<a href="http://query.nytimes.com/gst/fullpage.html...753C1A966958260" target="_blank">http://query.nytimes.com/gst/fullpage.html...753C1A966958260
</a>

http://chandra.harvard.edu/photo/2003/abell2029/

Source; Wiki answers,

http://wiki.answers.com/Q/Which_is_the_big...in_the_Universe

TFF

Edited by thefinalfrontier, 17 March 2009 - 11:20 PM.


#4    Admiral Danger

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Posted 18 March 2009 - 06:16 PM

thefinalfrontier on Mar 17 2009, 11:18 PM, said:

Here ya go Dr.

Which is the biggest Galaxy in the Universe?

In: Astronomy    


The largest galaxy on record resides inside the Abell 2029 cluster, 1.07 billion light years away in the constellation of Serpens. Designated as IC 1101, the monstrous giant elliptical galaxy measures a whopping 6 million light years (as compared to the 100,000 ly of the Milky Way) in diameter and is said to be at least 60 times as large as the Milky Way. It also contains about 100 trillion stars (200-400 billion for the Milky Way).



<a href="http://query.nytimes.com/gst/fullpage.html...753C1A966958260" target="_blank">http://query.nytimes.com/gst/fullpage.html...753C1A966958260
</a>

http://chandra.harvard.edu/photo/2003/abell2029/

Source; Wiki answers,

http://wiki.answers.com/Q/Which_is_the_big...in_the_Universe

TFF

hey, thanks thumbsup.gif
thats bigger than i expected.  i wouldce thought that it woulve been less than a million light years across.  but 6 MILLION ohmy.gif .  WOW!

thats a very interesting story about the shark and how it tried to eat you, but it still doesnt answer my question.  where the hell is my sandwitch!?

#5    stevewinn

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Posted 22 March 2009 - 08:25 PM

Isn't our very own milky way made up of a number of galaxies that have collided over billenia (if that's a word) i know our galaxy neighbours orbiting our milky way will one day collied with us has we all group together and eventually collide with the Andromeda galaxy on our way to Virgo. I'd love to witness the day/night sky when Andormeda approaches. it would be a sight for sore eyes alright.

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#6    danielost

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Posted 22 March 2009 - 09:56 PM

stevewinn on Mar 22 2009, 03:25 PM, said:

Isn't our very own milky way made up of a number of galaxies that have collided over billenia (if that's a word) i know our galaxy neighbours orbiting our milky way will one day collied with us has we all group together and eventually collide with the Andromeda galaxy on our way to Virgo. I'd love to witness the day/night sky when Andormeda approaches. it would be a sight for sore eyes alright.



1o million years


it turns out that the little ones are not orbitting the milky way just passing by

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#7    greggK

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Posted 24 March 2009 - 12:42 AM

danielost on Mar 22 2009, 04:56 PM, said:

1o million years


it turns out that the little ones are not orbitting the milky way just passing by


Are you inferring that the Milky Way is stationary or just going slower and that there may be another on the way?

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