Last Updated
：2025/11/21
dwarf spheroidal galaxy
Noun
Japanese Meaning
天文学分野の用語。ガスをほとんど持たず、通常以上の割合で暗黒物質を有する輝度が低い銀河。特に、天の川銀河やアンドロメダ銀河の周りを公転する銀河を指す。
（ plural ）
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(astronomy) A faint galaxy, devoid of gas, having a higher than normal proportion of dark matter; especially those that orbit the Milky Way and Andromeda
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dwarf spheroidal galaxy
The nearby dwarf spheroidal galaxy offers a rare opportunity to study dark matter without the complication of gas and star formation.
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The nearby dwarf spheroidal galaxy offers a rare opportunity to study dark matter without the complication of gas and star formation.
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