Web克魯格60B光度會不規則變化,會在光度加倍後經過8分鐘又恢復原本光度 [來源請求] 。. 系統中的兩顆恆星平均距離約9.5天文單位,大約是 太陽 和 土星 的平均距離。. 但兩者之間 … WebThe Morgan–Keenan (or MK) system is used in modern astronomy to classify stars according to their spectral type and luminosity class and is named after William Wilson Morgan and Philip C Keenan, who introduced it 1943.. Spectral Type. The spectral type of a star depends upon its effective temperature, which is the temperature that an idealised …
Spectral type Definition & Meaning Dictionary.com
WebKruger 60 A I is a planet in the Fwiffo system. Minerals [] Radioactives x9; Radium x14; Uranium x27; Francium x50; Actinium x8; Protactinium x6; Hazard warning [] Weather … WebSpectral type definition, a category for classifying a star, as A star or G star, according to features of its spectrum, as its shape as a function of temperature and wavelength and its absorption spectrum, that indicate the surface temperature of the star and the presence of particular atoms or molecules in its outer layers: principal types are spectral types O, B, … ranjan chopra
System Kruger 60 - Body Constellation - EDDB
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