Last Updated
：2025/11/25
protoplanetary nebulae
Noun
form-of
plural
Japanese Meaning
前惑星状星雲。すなわち、‘protoplanetary nebula’（惑星状星雲に進化する前の天体）の複数形を意味します。
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plural of protoplanetary nebula
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protoplanetary nebulae
The research paper analyzed the chemical compositions of several protoplanetary nebulae.
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The research paper analyzed the chemical compositions of several protoplanetary nebulae.
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