# Consistency testing for invariance of the speed of light at different redshifts: the newest results from strong lensing and Type Ia supernovae observations

> Research article (Monthly Notices of the Royal Astronomical Society, 2021) · cited 23× · AI/ML

**Wikidata**: [openalex:W3176807262](https://www.wikidata.org/wiki/openalex:W3176807262)  
**Source**: https://4ort.xyz/entity/consistency-testing-for-invariance-of-the-speed-of-light-at-different-redshifts-the-newest-results-from-strong-lensing-a