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physical object > natural object > celestial body > collection of stars > galaxy > spiral galaxy > barred spiral > SBa barred spiral

SBa barred spiral comparison table

Subject	has definition	is a kind of
barred spiral	(in Hubble's (1936) classification, SB: in Morgan's classification, B) A spiral galaxy whose nucleus is in the shape of a bar, at the ends of which the spiral arms start.	spiral galaxy
SBa barred spiral	Barred spiral galaxy with arms tightly wound around the nucleus	barred spiral

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