Cosmic Microwave Background
McKellar estimates a low interstellar temperature from cyanogen absorption, later recognised as related to the microwave background
Follow Andrew McKellar through 1 dated historical records for Canada.
A chronological timeline drawn from matching World History Database records.
McKellar estimates a low interstellar temperature from cyanogen absorption, later recognised as related to the microwave background
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.