спирална галаксија

спирална галаксија

A galaxy made up of a disk, spiral arms, and a bulge at its center. The size of the disk and the bulge vary. The galaxy is composed of a mixture of old and young stars, as well as loose interstellar matter (the gas and dust found in the space between stars).

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Loại từ: noun
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Ngành nghề/Lĩnh vực: Physics
Category: Astronomy
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