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The farthest confirmed galaxy to date, EGS-zs8-1, imaged here by the Hubble Space Telescope. New measurements taken at the W. M. Keck Observatory show that the galaxy lies about 13.1 billion light years from Earth.
originally posted by: Greathouse
a reply to: whyamIhere
Those pics are cool thanks.
But I couldn't help but notice this.
Is that the clown galaxy?
originally posted by: EternalSolace
The one photo that I can't seem to wrap my head around is the Ultra Deep Field from Hubble in 2014.
Astronomy Picture of the Day
I have no idea how far that view was taken. But there are no words to describe just how completely cutoff we are from the known universe. It's a shame the people alive today will likely never see man travel beyond the Moon let alone outside our solar system.
This Galaxy Far, Far Away Is the Farthest One Yet Found
The farthest confirmed galaxy to date, EGS-zs8-1, imaged here by the Hubble Space Telescope. New measurements taken at the W. M. Keck Observatory show that the galaxy lies about 13.1 billion light years from Earth.
That picture was released in an article on Space.com on May 5th. 13.1 billion light years...
That distance is just unfathomable.
originally posted by: EternalSolace
The one photo that I can't seem to wrap my head around is the Ultra Deep Field from Hubble in 2014.
Astronomy Picture of the Day
I have no idea how far that view was taken. But there are no words to describe just how completely cutoff we are from the known universe. It's a shame the people alive today will likely never see man travel beyond the Moon let alone outside our solar system.
This Galaxy Far, Far Away Is the Farthest One Yet Found
The farthest confirmed galaxy to date, EGS-zs8-1, imaged here by the Hubble Space Telescope. New measurements taken at the W. M. Keck Observatory show that the galaxy lies about 13.1 billion light years from Earth.
That picture was released in an article on Space.com on May 5th 2015. 13.1 billion light years...
That distance is just unfathomable.
originally posted by: bobs_uruncle
That galaxy is blue, that means it's traveling towards us, so the question would be, "Did the universe start to collapse 13.1 billion years ago?" If the universe was still expanding, that galaxy should be red-shifted. Seems a bit weird...
Cheers - Dave
originally posted by: Saint Exupery
originally posted by: bobs_uruncle
That galaxy is blue, that means it's traveling towards us, so the question would be, "Did the universe start to collapse 13.1 billion years ago?" If the universe was still expanding, that galaxy should be red-shifted. Seems a bit weird...
Cheers - Dave
Actually, all we (that is, us casual observers on ATS) can really say is, "That galaxy looks blue in this image."
Without looking at its spectrum and measuring the position of its Fraunhofer lines, we can't make any judgement about its radial motion towards or away from us (presumably the pros did these measurements and this is how they know it's the furthest galaxy detected thus far). The galaxy may look blue because the stars in it are hot blue stars like Rigel or Deneb. Maybe the color is an artifact from the telescope filters or the image processing. Without detailed information about the image, what is in it, and how it was processed, cosmological assumptions don't have a solid basis.