Spiral galaxies might have been lentil-shaped before becoming starry whirls
A new look at lenticular galaxies suggests a tweak to galaxy evolution theory
Lenticular galaxies like Messier 102, also known as the Spindle Galaxy, could provide new insight into how galaxies morph into different shapes.
NASA, ESA, Hubble Heritage Team/STScI/AURA, W. Keel/Univ. of Alabama, Tuscaloosa