FedSearch
tomsharp · @tomsharp
30 followers · 61 posts · Server mastodon.sdf.org
Open media

In 1671, Jean Picard surveyed one degree of a meridian arc to calculate the polar radius. (sharpgiving.com/thebookofscien)

#history #poetry #kinematics #geodesy #earth #polarradius

Last updated 3 years ago
Original post