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单词 astrochronology
释义

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astrochronology
astrochronology n.
Brit. /ˌastrəʊkrəˈnɒlədʒi/
,
U.S. /ˌæstroʊkrəˈnɑlədʒi/
the study of the chronology and periodicity of celestial objects.
ΚΠ
1858 Mechanics' Mag. 31 July 110/1 Mr. Henry Drummond happened to be in Dundee when Mr. Lindsay's recent work on Astro-Chronology was published.
1873 Leisure Hour 22 Mar. 188/1 Mr. Hind's important investigation on historical eclipses..forms a most valuable contribution to what we may appropriately term the science of astro-chronology.
1940 Jrnl. Brit. Astron. Assoc. 50 284 Are there any works dealing with Astro-Chronology and Planetary Cycles in particular?
1999 Guardian 12 Aug. (Online section) 4/3 They used a new technique called astrochronology—measuring the cyclic changes in the earth's distance from the sun—to count back the salt deposits as if they were tree rings.
extracted from astro-comb. form
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