Webb uses space-bending gravity trick to discover distant stars
Astronomer David Lagattuta on how the Webb Telescope used a technique predicted by Einstein to find stars in the cosmic noon.
Star Diary · BBC Sky at Night Magazine
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Show Notes
Massive objects in space warp spacetime to the extent that they can act like cosmic magnifying glasses, allowing astronomers to get a better view of the deep cosmos. This technique, known as gravitational lensing, has been used by the James Webb Space Telescope to discover a group of stars that existed at a key stage in the evolution of the Universe.
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