![]() ![]() ![]() That is because the flicker timing increases as the expansion rate increases. A perhaps even odder thing is that by watching these background quasars flicker, you can estimate the expansion rate of the universe. This is because the foreground galaxy - in the center of the quasar images and the featured image - is acting like a choppy gravitational lens. Four Quasar Images Surround a Galaxy LensĪPOD Wrote:Explanation: An odd thing about the group of lights near the center is that four of them are the same distant quasar.
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