Star Diary

Webb uses space-bending gravity trick to discover distant stars

Feb 14, 2025 · 28 min
0:00-28:01

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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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