The gravitational lensing of the quasar known as RX J1131-1231, located roughly six billion light-years from Earth in the constellation Crater. Credit: ESA/Webb, NASA & CSA, A. Nierenberg
The gravitational lensing of the quasar known as RX J1131-1231, located roughly six billion light-years from Earth in the constellation Crater. Credit: ESA/Webb, NASA & CSA, A. Nierenberg
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6 billion light years?! So is it possible that this quasar no longer exists?!