If they are the curved elements you mean , I think I read on the NASA web site some form part of a circular galaxy and the showed this by identical spectra.
Quote:
Originally Posted by alpal
If we get back to the first image of all those galaxies with the gravitational lens:
https://www.flickr.com/photos/nasawe.../in/datetaken/
I'd like to know if they can identify what has made those Einstein rings?
We know they are galaxies but what type?
They couldn't be from spiral galaxies as they are so old there shouldn't have been any such galaxies then,
They must have been very early irregular galaxies that have been smeared out into rings?
Could some of them be Quasars?
cheers
Allan |