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Strong Gravitational Lensing/Evidence
Method evidence record

Strong Gravitational Lensing

Strong gravitational lensing occurs when massive objects (clusters, galaxies) bend light so strongly that multiple images of distant sources appear, or complete rings (Einstein rings) form. Proposed by Sjur Refsdal in 1964 and first observed in 0957+561 in 1979, strong lensing provides direct measurements of lens masses and cosmic distances independent of the distance ladder.

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Source record

Citations copied verbatim from the method’s source record. No claim-level verification is inferred from them.

Strong Gravitational Lensing for Mass and Distance Measurements
Taxonomic method record · process-pipeline / astronomy
  • Refsdal, S. (1964). On the possibility of determining Hubble's parameter and the masses of galaxies from the gravitational lens effect. Monthly Notices of the Royal Astronomical Society, 128(4), 307-311. · DOI 10.1093/mnras/128.4.307
  • Walsh, D., Carswell, R. F., & Weymann, R. J. (1979). 0957+ 561 A, B: Twin quasistellar objects or gravitational lens? Nature, 279, 381-384. · DOI 10.1038/279381a0
  • Suyu, S. H., et al. (2017). Cosmology from Gravitational Lens Statistics. Space Science Reviews, 212(1), 1-46. · URL
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Curated claims

Claims persisted in the evidence ledger, each with its own assessment.

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Related methods

Generated from the method graph and shown as machine-suggested relations — no evidence claim is inferred.

Same method familyAstrometry (Parallax)machine-suggested · Relational suggestion, not evidence.Same method familyType Ia SN Light Curve Fittingmachine-suggested · Relational suggestion, not evidence.Same method familyWeak Gravitational Lensingmachine-suggested · Relational suggestion, not evidence.

Evidence status

Sources recorded, not reviewed

Bibliographic sources are present. Claim-level evidence review has not been performed.

Sources

3 recorded citations, copied from the method source record.

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