
1) SF paper 2) Beginning of time 3) Biblical bk 4) Either of two OT books 5) Time meas
Found on
https://www.crosswordclues.com/clue/chron

chron The shortest interval into which geologic time is subdivided. To keep better time is not to know time better. Time`s mystery is not lessened by ever better clocks—it is brought only more clearly into focus. —James Jesperson, Physicist, National Institute for Standards and Technology
Found on
http://www.wordinfo.info/words/index/info/view_unit/2781/
No exact match found.