KnowraHemisphereLinked fromLinked fromThe 9 pages that link to Hemisphere, each with the reason it gives.All 9Broader topic 3Related 4Narrower topic 2SphereBroader topic: It is a specific region obtained by cutting a sphere through its center.Solid angleBroader topic: It occupies half of all directions, or 2π steradians.Filling area conjectureBroader topic: It is the proposed area-minimizing disk for the prescribed circular boundary.