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Science history: Edwin Hubble uncovers the vastness of the universe with discovery of 'standard candle' — Oct. 5, 1923

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...
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The James Webb telescope proves Einstein right, 8 times over — Space photo of the week

The James Webb Space Telescope's latest image shows eight spectacular examples of gravitational lensing, a phenomenon that ...