Webnoun (abbreviated as: Gyr) . A billion (10 9) years; 1967, Rankama, Kalervo, Institute of Geology and Mineralogy, University of Helsinki, Helsinki, Finland, Megayear and Gigayear: Two Units of Geological Time; 1982, A. M. Clarke, Carboniferous Sedimentary Basins of Northern Europe and the Nature of Emergence around the Margins of the Mesozoic … Webyear: ( yēr ), An approximately 365-day period, the time the earth takes to revolve around the sun. [O.E. gēar ]
Billion years - Wikipedia
WebConvert deer years to human years. Convert bear years to human years. Convert fox years to human years. Convert camel years to human years. So, if you want to know … http://astronomy.nmsu.edu/geas/lectures/lecture02/slide04.html sonaa al ghad private school
giga-year - English definition, grammar, pronunciation, synonyms …
Web12 mrt. 2014 · Best Answer. Copy. Astronomers use g years as an abbreviation for gigayear. Specifically, one Gyr is equal to 109 years, or a billion years. Wiki User. ∙ … Webgigayear ( pl. gigayears) ( abbreviated as: Gyr) A billion (10 9) years 1967, Rankama, Kalervo, Institute of Geology and Mineralogy, University of Helsinki, Helsinki, Finland, … WebDefinition of gigayear in the Definitions.net dictionary. Meaning of gigayear. What does gigayear mean? Information and translations of gigayear in the most comprehensive dictionary definitions resource on the web. small cucumber 7 letters