NASA astronomers have noticed an unusual star formation in space. If you look at the image you pulled from the Hubble Telescope, you can see the "smile".
This is Science Alert.
This unusual star formation belongs to the SDSS Galaxy Cluster J0952 + 3434.
See also: For the first time he received a detailed photo of the asteroid Bennu
As NASA astronomers have explained, this arc galaxy is shaped because its light has passed near a massive object, resulting in deformation and stretching like a smile.
To improve image quality, NASA staff increased image resolution from the Wide Field Camera 3 broadband camera.
Such images are valuable to scientists because they allow a better understanding of how stars are formed in the cold corners of the universe.
"Smiley" in space
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