This Isn't a Lens Flare, It's a Galaxy

Illustration for article titled This Isnt a Lens Flare, Its a Galaxy

From the Hubble comes this image of an elliptical galaxy called IC 2006. It’s a huge bright spot, like an eye in the universe.


Image credit: ESA/Hubble & NASA Image acknowledgement: Judy Schmidt and J. Blakeslee (Dominion Astrophysical Observatory).

There is a mystery associated with elliptical galaxies. From NASA:

Massive elliptical galaxies like these are common in the modern Universe, but how they quenched their once furious rates of star formation is an astrophysical mystery.

Now, the NASA/ESA Hubble Space Telescope and ESO’s Very Large Telescope (VLT) have revealed that three billion years after the Big Bang, these types of galaxies still made stars on their outskirts, but no longer in their interiors. The quenching of star formation seems to have started in the cores of the galaxies and then spread to the outer parts.


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