3 ms·
I wish they had described the mechanism that was used to measure Earth's rotation rate to the millisecond 100 years ago.
by DrScump 9y ago
I wish they had described the mechanism that was used to measure Earth's rotation rate to the millisecond 100 years ago.
- emilyfm 9y agoVarious sources for day-length estimates are available, see for example https://design-of-time.com/slowing.htm https://design-of-time.com/slowing.htm (appendix A).