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Euclid telescope spots rare 'Einstein ring' hiding near Earth — and an ancient, unnamed galaxy behind it
Einstein predicted the existence of gravitationally-warped rings of light in 1915. Now, a new one has been discovered just a ...
IFLScience1d
The Woman Who Helped Astronomers Map The Stars And Prove A Universe Beyond Our Galaxy
It is the International Day Of Women And Girls In Science, and what better way to celebrate than to discuss the work of Henrietta Leavitt, the scientist who discovered Cepheid variables and laid the ...