KnowraHMS Challenger expeditionLinked fromLinked fromThe 7 pages that link to HMS Challenger expedition, each with the reason it gives.All 7Broader topic 2Related 4Compared with 1Hydrothermal ventRelated: Its soundings and seafloor surveys helped establish the scientific exploration of the deep ocean.Mid-ocean ridgeRelated: Its soundings gave the first hint of a raised mid-Atlantic swell before the ridge was recognized.Mariana TrenchRelated: The survey that discovered the trench and gave its deepest point a name.OceanographyBroader topic: Its measurements and collections helped establish oceanography as a systematic science.HMS BeagleCompared with: It represents a later, ocean-focused scientific voyage rather than the Beagle's coastal survey.Challenger DeepRelated: Its soundings in the region inspired the name Challenger Deep.Marine geologyBroader topic: Its soundings and samples provided foundational evidence about deep-ocean environments.