Another record breaker: ultra-distant galaxy-13.2 billion light years from earth - TennisForum.com
 
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post #1 of 5 (permalink) Old Jan 27th, 2011, 06:26 PM Thread Starter
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Another record breaker: ultra-distant galaxy-13.2 billion light years from earth

Astronomers have just announced they have discovered what may be the most distant galaxy ever seen, smashing the previous record holder. This galaxy is at a mind-crushing distance of 13.2 billion light years from Earth, making it not just the most distant galaxy but also the most distant extant object ever detected!

Here is the object in question:



Named UDFj-39546284, the galaxy is seen as it was just 480 million years after the Universe itself formed! The previous record holder — which was announced just last October — was 13.1 billion light years away. This new galaxy beats that by 120 million light years, a substantial amount. Mind you, these galaxies formed not long after the Big Bang, which happened 13.73 billion years ago. We think the very first galaxies started forming 200 – 300 million years after the Bang; if that’s correct then we won’t see any galaxies more than about 13.5 billion light years away. Going from 13.1 to 13.2 billion light years represents a big jump closer to that ultimate limit!

The galaxy was found in the infrared Hubble Ultra Deep Field, or HUDF, an incredible observation where Hubble pointed at one patch of sky and stared at it for 173,000 seconds: 48 solid hours! After Hubble’s Wide Field Camera 3 observed it, this supposedly blank patch of sky came alive with thousands upon thousands of distant galaxies, and in fact the last record-breaking galaxy was found in the image. The picture here shows the whole HUDF image, with the first picture at the top of this post outlined. Click it to see it in full size, and you’ll start to get an appreciation of just how freaking tough these observations are. The sky is full of faint galaxies!



http://blogs.discovermagazine.com/badastronomy/2011/01/...

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post #2 of 5 (permalink) Old Jan 27th, 2011, 06:45 PM
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Re: Another record breaker: ultra-distant galaxy-13.2 billion light years from earth

Wow, simply awesome !!!

Wonder how the galaxy looks now after 13.2 billion years
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post #3 of 5 (permalink) Old Jan 28th, 2011, 09:46 AM
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Re: Another record breaker: ultra-distant galaxy-13.2 billion light years from earth

13.2 billion lights years.... It's so hard to wrap my mind around that


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post #4 of 5 (permalink) Old Jan 28th, 2011, 10:05 AM
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Re: Another record breaker: ultra-distant galaxy-13.2 billion light years from earth

Galaxies always get me
to think we are only in a section of one of thousands of galaxies, there has to be other life




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post #5 of 5 (permalink) Old Jan 28th, 2011, 10:26 AM
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Re: Another record breaker: ultra-distant galaxy-13.2 billion light years from earth

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