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An image taken with the NASA/ESA Hubble Space Telescope shows what appears to be a smiling galaxy cluster SDSS J1038+4849. In the case of this "happy face," the two eyes are very bright galaxies and the misleading smile lines are actually arcs caused by an effect known as strong gravitational lensing.
via Science Daily
Zazzle Space Exploration market place
An image taken with the NASA/ESA Hubble Space Telescope shows what appears to be a smiling galaxy cluster SDSS J1038+4849. In the case of this "happy face," the two eyes are very bright galaxies and the misleading smile lines are actually arcs caused by an effect known as strong gravitational lensing.
via Science Daily
Zazzle Space Exploration market place
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