It's easy to get lost in the geodesy details, which really matter at a local scale! But on a global scale the earth is effectively round. Many of us have seen

It's easy to get lost in the geodesy details, which really matter at a local scale! But on a global scale the earth is effectively round. Many of us have seen images like this: https://www.asu.cas.cz/~bezdek/vyzkum/rotating_3d_globe/figures/rotating_3d_globe_preview_Geoid_height_EGM2008_nmax1000_BlueWhiteOrangeRed_px3000.png https://www.asu.cas.cz/~bezdek/vyzkum/rotating_3d_globe/figu... which are effective at showing the shape and gravitational anomalies but is wildly exaggerated on the height axis. Visualizing to scale would look indistinguishable from sphere.