terrestrial meridian मीनिंग इन हिंदी

Consequently, it contains also the horizon's north and south points, and it is perpendicular to the celestial equator and to the terrestrial meridian.
""'Clarification : " " "'I am curious about how the meter would have to be redefined in terms of the speed of light so as to make the length of a ( mean ? ) terrestrial meridian match the original historical definition of 40, 000 km as close as humanly possible ".
I am curious about the range which the value of c can span ( "'not "'in the sense that c actually varies, but in the sense that the same constant can be numerically expressed in various ways, depending on the actual range within which our knowledge of the terrestrial meridian can vary ) . talk ) 20 : 15, 31 October 2016 ( UTC)
Apparently, this was a complete mistake, since it completely detoured the focus of the conversation ) . "'The only thing I care about "'is determining the smallest possible interval on which the length of terrestrial meridian ( s ) is known to exist with absolute certainty; e . g ., something like 40, 007.5-40, 009.5 km, but I'm not sure if this is either the smallest, OR if it's limits are even 100 % certain . talk ) 11 : 20, 1 November 2016 ( UTC)