Also known as gravitational lensing, gravitational lenses
distribution of matter between a distant light source and a observer
A gravitational lens occurs when massive structures—like galaxy clusters—bend light from distant objects as it travels toward us, similar to how a glass lens bends light. This effect helps astronomers study extremely distant galaxies and invisible matter that we couldn't see otherwise.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).