せいしょくきょせい
青色巨星
1. blue giant (star)Astronomy
2. Blue giantIn astronomy, a blue giant is a star with a spectral type of O or B (thus being noticeably blue in appearance) and a luminosity class of III. In the standard Hertzsprung-Russell diagram, blue giants are found in the upper left corner, due to their high luminosity and early spectral type. A blue giant is a massive star that has exhausted the hydrogen fuel in its core and left the main sequence.
Read “Blue giant” on English Wikipedia
Read “青色巨星” on Japanese Wikipedia
Read “Blue giant” on DBpedia
Read “Blue giant” on English Wikipedia
Read “青色巨星” on Japanese Wikipedia
Read “Blue giant” on DBpedia
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