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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
A typical sefert galaxy differs from the Milky Way Galaxy in each of the following properties, except one.  Which characteristic do they share?
A)   It has a bright starlike nucleus.
B)   It is a spiral galaxy.
C)   Its energy output can vary significantly over a few weeks.
D)   Its spectrum contains strong emission lines from elements such as highly ionized iron.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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hyponoticahyponotica
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