> 1 nautical mile ~= the distance travelled by someone at the equator in one minute due to the Earth's rotation No. It's approximately one minute of arc, that

> 1 nautical mile ~= the distance travelled by someone at the equator in one minute due to the Earth's rotation No. It's approximately one minute of arc, that is, 1/60 of one degree. In fact the speed of the earth's rotation at the equator is more like 15 nautical miles per minute.