tag:blogger.com,1999:blog-8890523669575867377.post7060675834966294414..comments2024-03-29T05:02:01.215+05:30Comments on Amusing Planet: The Prime Meridian At The Royal Observatory, GreenwichKaushik Patowaryhttp://www.blogger.com/profile/15000427721236718033noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-8890523669575867377.post-61260857571055202832015-01-05T18:52:10.309+05:302015-01-05T18:52:10.309+05:30If mean sea level undulates as much as 100 meters ...If mean sea level undulates as much as 100 meters worldwide it means 7.854mm/km at equator and 4,892mm/km at Greenwich. Anonymousnoreply@blogger.com