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AhaBulb: Stuff Everyone Should Know · ahabulb.com/astro-lensing-multiple-images

Why can one background object appear as several lensed images?

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  1. The source physically splits
  2. Light reaches us along different paths
  3. The telescope copies pixels

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References

  1. Hubble's Gravitational Lenses science.nasa.gov/mission/hubble/science/universe-uncovered/hubbles-gravitational-lenses Checked 2026-10-10.

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