This is the last amazing capture from the Hubble Telescope, the blue horseshoe is form by a uncommon phenomenon known as the Einstein´s Ring.
To see such an Einstein Ring required two galaxys, and the fortunate alignment of the foreground and background galaxies. Then, the light from the background is curved by the enourmous gravity of the foreground galxy. As seen in the next image:
This phenomenon was predicted by Einstein during his development of the theory of Relativity as an event explained by his theory but he believe that the posibiltiy of such alignment would we such insignificant that no one would be seen.
I will like to finish with a small image af all the Einstein´s rings seen since 2006 when the first one was seen.
Via:SpaceTelescope
Artículo en Español
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