🌍🌊〰️

#geoid #mean sea level #equipotential surface #earth gravity #sea surface topography #geodesy

🌍🔄🥞≈ƒ

#earth rotation #geoid #oblateness #flattening #geophysics #hydrostatic shape #dynamical ellipticity #j2 #moment of inertia factor

🌐📉⚖️

#physical geodesy #gravity field #geoid #earth rotation #reference frames #earth dynamics #gravimetry

🌍⚖️📉

#earth gravity field #gravimetry #geoid #potential field #earth science #geophysics

🌍≠⚪️

#oval earth #earth shape #non-spherical earth #not a sphere #oblate spheroid #geoid #earth geometry #imperfect sphere

🌍🥔

#geoid #earth shape #gravitational field #bumpy earth #earth potato #geodesy