Which of the following is NOT one of Hubble's types of galaxies?
A)normal spirals
B)barred spirals
C)Seyfert spirals
D)irregular type II
E)dwarf ellipticals

Question

Quizplus · Accepted Answer

Hubble did not classify galaxies as "Seyfert spirals." Seyfert galaxies are a type of spiral galaxy that were later identified based on their active galactic nuclei. Hubble did not categorize galaxies as Seyfert spirals; Seyfert galaxies were classified separately by Carl Seyfert in 1943 based on their active galactic nuclei.

Which of the Following Is NOT One of Hubble's Types