Astronomers uncovered a pair of invisible stars creating ripples in space-time, a phenomenon known as gravitational lensing.
Source: https://www.livescience.com/invisible-stars-gravitational-lensing.html
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Astronomers uncovered a pair of invisible stars creating ripples in space-time, a phenomenon known as gravitational lensing.
Source: https://www.livescience.com/invisible-stars-gravitational-lensing.html