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02/12/2008 08:50 PM ID: 68442 Permalink   

Astronomers Spot Farthest Galaxy? 13 Billion Light Years Away


Astronomers have announced they may have glimpsed the farthest galaxy in the universe, some 13 billion light years away. The galaxy was captured by the Hubble Space Telescope and is believed to have been born shortly after the the start of the universe.

Astronomer Garth Illingworth said: "We certainly were surprised to find such a bright young galaxy 13 billion years in the past. This is the most detailed look to date at an object so far back in time." The galaxy was named A1689-zD1.

    WebReporter: NuttyPrat Show Calling Card      
ASSESS this news: BLOCK this news. Reason:
What a glorious name...
  by: favoritesaviour   02/12/2008 10:23 PM     
  Hyperspace Bypass Exit 132 was taken.  
  by: CaveHermit   02/13/2008 12:39 AM     
is fantastic news I was glued to the source.

Good summery Nutty!
  by: captainJane     02/13/2008 12:40 AM     
Kind of boggles the mind how we're looking at something 13 billion years in the past eh?
  by: silentrage   02/13/2008 03:29 AM     
exactly. good chances are that this galaxy is long gone by now, and we'll get to watch it live in a few billion years
  by: syoware   02/13/2008 03:41 AM     
If it is possible to view an event shortly after the beginning of the universe, would it be logical to conlude that an even more powerful telescope could see past the beginning?
  by: John E Angel     02/13/2008 04:14 AM     
  The Big Lie  
Scientists only saw where a galaxy WAS 13 billion years AGO. For all we know it may no longer exist. After all, 13 billion years is a long time.
  by: IWMCB   02/13/2008 04:20 AM     
The big lie? A person who knows anything about space knows that they're seeing the light it gave off 13 billion years ago, as the source, the summary, Silentrage and Syoware pointed out.
  by: kolman   02/13/2008 05:31 AM     
I like that thought.... say you could move faster than light, could you travel away from earth, and watch everything go in reverse... as long as you looked back along a different angle than the direction you are heading you should be able to, or you could see you if you looked back at the same angle.

Fun times, it could be fun to watch the galaxy be born backwards.
  by: tellgar     02/13/2008 08:54 AM     
  Well that's a sort time travel...  
...we just need to invent a particularly powerful telescope that can travel significanlty faster than the speed of light then we would then be able to look back in time at the Earth
  by: ozric   02/13/2008 12:02 PM     
Is that how traveling back in time works? Because you're faster than light you see it backwards?

If you can attain faster than light speeds but time is still linear then you shouldn't see anything in the past because you're still in the present?
Or does time become non-linear at that speed?

  by: silentrage   02/13/2008 12:03 PM     
  I'm not sure how much sence this is gonna make  
I think they're sugesting: If you could travel faster than light light (not sure this is possible with the Theory or Relativity and all) then when you eventually stop 30 light years away, turn round and look back at the earth (need one huge telescope) you would be observing the light that came of the planet 30 years ago. This all depends on being able to travel faster than light to a significant enough degree that would actually make it worth it. The faster you travel and the further you travel will both have an impact at how far back in the past you could see.

But as stated, it all depends on doing the impossible with conventional physics.

  by: spacechimp     02/13/2008 02:47 PM     
Actually, if you were traveling FASTER than the speed of light for 30 years away from the earth, you would see the earth during a time period FURTHER back than 30 years.
  by: halfnhalf702   02/13/2008 05:54 PM     
  So, Uhhh....  
What's on the other side of this galaxy? Is there an edge to the universe? What does our universe exist inside of? And how soon can I travel to galaxy A1689-zD1?
  by: Valkyrie123     02/13/2008 06:43 PM     
  There is no edge to the universe  
It would continually expand as we sought to find it.
  by: John E Angel     02/13/2008 06:50 PM     
Not strictly true, as I said it would depend on your speed and the distance you travel. You're assuming light will stand still for those 30 years and it simply wont.

The light is still travelling behind you at a constant (e.g. pure vacuum with no external influences). If you go just faster than the speed of light for those 30 years it may only be 5 minutes behind you when you eventually stop and turn round. If you travel twice the speed of light for 30 years when you look back at the Earth the image you're seeing may only be 15 years ago :)....... Errrr I think
  by: spacechimp     02/13/2008 10:59 PM     
Were to begin.
if i were traveling at or close to the speed of light and you were standing still. From either perspective this would appear as though the other is the one in motion. The is called frame of reference.

Time for me would be that same whether i was moving or not. As well as for you.

So no this IS NOT time travel.

I f were to travel at say several multiples the speed of light and approached the galaxy at such distance. I would observe the light coming to me till I reached its present time. So no i wouldn't travel through time relative to anything.

Let me reanalyze this. I have a ball attached to a string, i rotate in a circle as long as the rope length never changes the speed of the ball stay consistent. Now i shorten the rope the ball accelerates, even though i at the center remain in a constant rotation. I lengthen the string the balls velocity decreases.

This is why clocks tick at different speeds relative to another when in motion.

To change orbital distances velocity increase or decrease proportionally to distance. In order to come closer i must accelerate to tighter orbital plane. If you however look back and see me decreasing my orbital distance i would seem to remain in constant speed through this event. Although my perspective i would accelerate to your present.

This is a great representation of frame dragging. and a slight touch of time symmetry.

No you will never "see" the edge of the universe. The best you could hope to "see" is the point at which the density reduced to allow for photons to travel a distance greater then the planck lengths. This length is roughly the distance or time it take for light to cross the neutron. or 10^-34mm.

A big lie; a foolish statement.
Light is the measurement at the rate in which time passes. At that distance the Electromagnetic spectrum is shifted a great deal to the red. This is how we approximate distances. It is roughly accurate. Given that the accelerations is fantastically high. in all probability travel to this distance is foolish. if we left today, even at Many many many multiples of the speed of light, it is rushing away so fast. we simply couldn't catch it. as it would reach the speed of light its self relative to any velocity we obtain.

telescopes don't "travel". They remain still in relation to their environments and gather the light as it "travels" through the universe.

Silent Rage:
Light is neither linear nor constant. Many factors influence the actual speed.
But your point is interesting.


Nothing in physics prevents superluminal velocities. in fact it supports it on many levels. GR and SR don't not specifically exclude the possibilities either. in fact they predict and it has been proven to exist.

Depending on the theories involved...SR and GR wont even address that question. However M theory calls for a 11th dimensional filaments called Branes, the branes exist and collide all the time consistently , it is theorized that the collision are what caused the universe to expand into its current configuration. Although many configurations should be expected. In fact one would think the odds that this universe exist at all are exceedingly high. But given enough chances anything is possible.

Light ALWAYS travels the same speed no matter HOW FAST you go. in order to accept the consequences of this, it is Space that either Expands or contracts based on the direction light radiates.
Your 2nd response is just plain foolish.
This effect is called the Doppler effect.

Any further question please ask.

  by: Reamensa   02/14/2008 03:04 AM     
  Mankind MUST NOT Gain Access  
Into Outer Space. Humans are Parasitic in nature and therefore will cause Misery and Suffering to all Alien Lifeforms that cannot Defend themselves from Base "Manifest Destiny" I can only hope the "Aliens" depicted alongside of Sigourney Weaver are Real in order to keep Human Parasites in Check
  by: The Omega Man   02/14/2008 03:51 AM     
  Morning all  
Ignore me I'm not sure what I was smoking last night (well strictly speaking I do) :P

  by: spacechimp     02/14/2008 09:49 AM     
  @: The Omega Man  
Thats like the second time you've sprung up spouting your crap.

Seriously, people like you are pretty damn depressing, and all that nay say gets us nowhere!
  by: Jediman3     02/15/2008 05:10 PM     
I think he just needs to be rebooted.
  by: John E Angel     02/15/2008 05:13 PM     
If you were traveling faster than the speed of light away from earth, look at the earth, you would see nothing as light would not be reaching you that originated from the earth.

If you were looking the exact opposite direction tho, you may just see time on earth in reverse..however everything else that is in actuality ahead of you would be playing in fast forward..

I think thats the point your brain melts and leaks out your nose.
  by: Pyronius     02/15/2008 08:22 PM     
  @ Jediman  
"Seriously, people like you are pretty damn depressing, and all that nay say gets us nowhere!"

It's amazing how people are so dumb as to not analyze 1. The truths i reveal 2. and why i say these readily obvious truths.
Truth 1

What is depressing is People will NEVER get their act together. All people are capable of is repeating the same acts of stupidity over the course of history.

Truth 2.

Provided no other disasters occur, Selfish Thoughtless Human Activities will completely render Earth incapable of supporting life. So what would happen if people gained access to deep space? The-Exact-Same-Thing, Exploitation of indigenious lifeforms, Rampant Breeding and Gluttonous Over Consumption and Exhaustion of Resources, Food, Water, Air and Energy (which the US and China are the worst perpetrators of on Earth)

So Jedi, since you obviously lack the wisdom for critical understanding, Do what every other halfwit on this planet does and "Change the Channel"
  by: The Omega Man   02/16/2008 09:07 PM     
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