Typical unit measure for distance in Cesium?

Hello Cesium,

I was wondering if there is a typical units measure for distance in Cesium? Perhaps meters, kilometers, miles, etc? i’m trying to figure out the distance returned by EllipsoidGeodesic.surfaceDistance at the moment and can’t seem to find it. Would appreciate any help. Thanks!

Katone

Distance is always meters, angle is always radians.