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Home Q & A Board Science-Related Homework Help Physics
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staedtler staedtler
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7 years ago
Who developed the classification system that divides galaxies into spiral, elliptical, and irregular and classifies spirals by the size of their nuclear region and the tightness of winding of their arms?
A)   Ejnar Hertzsprung   C)   Sir John Herschel
B)   Edwin Hubble   D)   Olaus Roemer
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Discovering the Universe

Discovering the Universe


Edition: 7th
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hyponoticahyponotica
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staedtler Author
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6 years ago
Grinning Face Exactly what I needed
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