KnowraDark Energy SurveyLinked fromLinked fromThe 6 pages that link to Dark Energy Survey, each with the reason it gives.All 6Broader topic 1Related 4Compared with 1Dark energyRelated: Its observations test whether dark energy changes across cosmic history.Cosmological constantBroader topic: Its observations test the constant by mapping expansion and matter across cosmic time.Euclid (space telescope)Compared with: Its completed measurements provide a close comparison for Euclid's larger space-based survey.Planet NineRelated: Survey data can reveal distant Solar System objects and test how strongly discovery bias shaped the orbital sample.Big CrunchRelated: Its measurements constrain expansion histories relevant to whether recollapse remains possible.Ultimate fate of the universeRelated: Surveys test whether dark energy’s behavior is consistent with a constant over cosmic history.