3 ms·
...and one level of language-precision further, these articles get into how "sea level" differs from "where gravitational potential is equal": https://en.wikip
by Xorathena 2y ago
...and one level of language-precision further, these articles get into how "sea level" differs from "where gravitational potential is equal":
https://en.wikipedia.org/wiki/Ocean_surface_topography https://en.wikipedia.org/wiki/Ocean_surface_topography
https://en.wikipedia.org/wiki/Geoid https://en.wikipedia.org/wiki/Geoid