D Dave New member Dec 4, 2009 #1 and/or Perseus? If the spur neither runs from the center nor is an offshoot of any arm, then doesn't it mean that at some point in the past it used to be part of an arm?
and/or Perseus? If the spur neither runs from the center nor is an offshoot of any arm, then doesn't it mean that at some point in the past it used to be part of an arm?
