3 ms·
> A kilometer is also defined using the planet Earth as a standard of distance. Wrong. It used to be that way, but not anymore.
by theandrewbailey 7y ago
> A kilometer is also defined using the planet Earth as a standard of distance.
Wrong. It used to be that way, but not anymore.
- iams 7y agoWhich is why it says: ... you would have the traditional unit for the kilometer as defined in 1791 by the French Academy of Sciences.
- theandrewbailey 7y agoWouldn't you need the 1791 Earth, too? The article doesn't mention that it's not the current definition.
- 292355744930110 7y agoThe same can be said of the nautical mile. It is no longer defined as an minute of latitude and in instead exactly 1852 meters.