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・ Ned Christie
・ Ned Christie's War
・ Nectar (disambiguation)
・ Nectar (drink)
・ Nectar Covered Bridge
・ Nectar d.o.o.
・ Nectar Design
・ Nectar guide
・ Nectar in a Sieve
・ Nectar Lifesciences
・ Nectar loyalty card
・ Nectar robbing
・ Nectar Rose
・ Nectar source
・ Nectar, Alabama
Nectarian
・ Nectaridus
・ Nectarinia
・ Nectarios (Kellis)
・ Nectarios of Aegina
・ Nectaris series
・ Nectarius
・ Nectarius of Auvergne
・ Nectarius of Digne
・ Nectarius of Jerusalem
・ Nectarivore
・ NECTEC
・ Necterosoma
・ Nectin
・ Nectocaecilia


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Nectarian : ウィキペディア英語版
Nectarian

The Nectarian Period of the lunar geologic timescale runs from 3920 million years ago to 3850 million years ago. It is the period during which the Nectaris Basin and other major basins were formed by large impact events. Ejecta from Nectaris forms the upper part of the densely cratered terrain found in lunar highlands.
==Relationship to Earth's geologic time scale==
Since little or no geological evidence on Earth exists from the time spanned by the Nectarian period of the Moon, the Nectarian has been used by at least one notable scientific work as an unofficial subdivision of the terrestrial Hadean eon.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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