lunartime.org

Atomic clock

An atomic clock keeps time by counting oscillations of a fixed transition in atoms; the caesium-133 transition defines the SI second. Ensembles of such clocks make International Atomic Time, and a lunar scale is expected to be produced from clocks of the same kind.

Other terms worth reading next.

All thirty entries are in the glossary of lunar timekeeping.

Where it appears

Primary documents that use the term.

  • OSTP Celestial Time Standardization memo (2024) [1]Official
  • NIST's relativistic framework for lunar clocks [2]

Sources

  1. Policy on Celestial Time Standardization — White House Office of Science and Technology Policy, . Official document. Verified .
  2. A Relativistic Framework to Estimate Clock Rates on the Moon — Neil Ashby and Bijunath R. Patla, NIST — The Astronomical Journal 168:112, . Peer-reviewed. Verified .
  3. What Time Is It on the Moon? — National Institute of Standards and Technology, . Official document. Verified .

Last verified