わくせいじょうせいうん
惑星状星雲
1. planetary nebulaAstronomy
2. Planetary nebulaA planetary nebula is an emission nebula consisting of an expanding glowing shell of ionized gas ejected during the asymptotic giant branch phase of certain types of stars late in their life.
Read “Planetary nebula” on English Wikipedia
Read “惑星状星雲” on Japanese Wikipedia
Read “Planetary nebula” on DBpedia
Read “Planetary nebula” on English Wikipedia
Read “惑星状星雲” on Japanese Wikipedia
Read “Planetary nebula” on DBpedia
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