- nectarian
- nec·tar·i·an
English syllables. 2014.
nectarian
Look at other dictionaries:
Nectarian — Divisions of Lunar geologic time : Pre Nectarian Nectarian Early Imbrian Late Imbrian Eratosthenian Copernican The Nectarian Period of the lunar geologic timescale runs from 3920 million years ago to 3850 million years ago. It is the… … Wikipedia
nectarian — ən adjective Etymology: alteration of nectarean archaic : nectarous … Useful english dictionary
Pre-Nectarian — The Pre Nectarian Period of the lunar geologic timescale runs from 4533 million years ago (the time of the initial formation of the Moon) to 3920 million years ago, when the Nectaris Basin was formed by a large impact. It is followed by the… … Wikipedia
Lunar geologic timescale — The lunar geologic timescale (or selenologic timescale) divides the history of Earth s moon into five generally recognized geologic periods: the Copernican, Eratosthenian, Imbrian (upper and lower), Nectarian, and Pre Nectarian. The boundaries of … Wikipedia
Basin Groups — refers to 9 informal subdivisions of the lunar Pre Nectarian geologic period. DefinitionThe motivation for creating the Basin Groups subdivisions was to place 30 pre Nectarian impact basins into 9 relative age groups. The relative age of the… … Wikipedia
Borealis quadrangle — The Borealis quadrangle is a quadrangle on Mercury surrounding the north pole down to 65° latitude (see also: geography of Mars).It contains the Goethe Basin, whose diameter of at least convert|400|km|abbr=on makes it the sixth largest impact… … Wikipedia
Graphical timeline of our universe — This more than twenty billion years timeline of our universe shows the best scientific estimates of the occurrence of events since its beginning, up until anticipated events in the near future. Zero of the scale is the present day. A large step… … Wikipedia
Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… … Wikipedia
Planetary science — Planetary science, also known as planetology and closely related to planetary astronomy, is the science of planets, or planetary systems, and the solar system. Incorporating an interdisciplinary approach, planetary science draws from diverse… … Wikipedia
Mare Anguis — is the dark patch in the middle of this photo. The crater in the left center of the photo is Eimmart, and is at the northwestern tip of Mare Anguis. The dark patch in the lower left corner is the northeastern edge of Mare Crisium. Coordinates … Wikipedia
