Type Ia Supernovae andType Ia Supernovae andGalaxy Brightnessmeasurements.supernova brightness and distanceResearch reveals how galaxies impactCosmology and Nongalactic AstrophysicsInvestigating the Brightness of Type Ia SupernovaeStudy reveals how host galaxies affect Type Ia supernova brightness.Jun 26, 2025 ― 7 min read