Science News Magazine: An atomic clock measured how general relativity warps time across a millimeter

Its time cypherpunks dropped Jim Bell like a hot rock - and its time humanity moved to Milky Way Galaxy years* - the Xtian calendar needs to go the way of the Julian. *The galactic year, also known as a cosmic year, is the duration of time required for the Sun to orbit once around the center of the Milky Way Galaxy. One is 230 million years. ... The galactic year provides a conveniently usable unit for depicting cosmic and geological time periods together