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・ G-Star School Of The Arts
・ G-Sten
・ G-Stoned
・ G-strain
・ G-string
・ G-String Circus
・ G-structure
・ G-suit
・ G-Surfers
・ G-Sync
・ G-TARanaki Guitar Festival
・ G-Taste
・ G-Technology
・ G-test
・ G-Train (Korail)
G-type asteroid
・ G-type main-sequence star
・ G-Unit
・ G-Unit Books
・ G-Unit Clothing Company
・ G-Unit discography
・ G-Unit Films
・ G-Unit Radio
・ G-Unit Records
・ G-Unity Foundation Inc.
・ G-W Invader
・ G-Zero world
・ G. & F. Cope
・ G. & J. E. Pinckernelle
・ G. & R. Wills & Co.


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G-type asteroid : ウィキペディア英語版
G-type asteroid

G-type asteroids are a relatively uncommon type of carbonaceous asteroid that makes up approximately 5% of asteroids. The most notable asteroid in this class is 1 Ceres.
==Characteristics==
Generally similar to the C-type objects, but contain a strong ultraviolet absorption feature below 0.5 μm. An absorption feature around 0.7 μm may also be present, which is indicative of phyllosilicate minerals such as clays or mica.
In the SMASS classification
the G-type corresponds to the Cgh and Cg types, depending on the presence or absence (respectively) of the absorption feature at 0.7 μm. The G-type, C-type and some rare types are sometimes collected together into a wider C-group of carbonaceous asteroids.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「G-type asteroid」の詳細全文を読む



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