"We like to think of our home as a nice, smooth sphere. But mapping the Earth’s gravitational field provides a different view of the planet."
https://www.wired.com/story/nasas-new-3d-model-shows-lumpy-earth/
Interactive 3D model: https://svs.gsfc.nasa.gov/5660
#news #science #earth #geoid #GravitationalField #gravity #NASA