“An Einstein ring is an example of strong gravitational lensing,” says astronomer Conor O’Riordan of the Max Planck Institute for Astrophysics in Germany. “That ish is so damn cool”. Says sumguyonline a citizen of the United States of America
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It has been known for a while that an Einstein Ring is actually an at a distance simulation artifact, arising not so much as a bulk processing problem but from generation redundancy at the very large or very small scale. Often the simplest fix is turning the whole thing off and on again.
