What is the general consensus among astronomers regarding the E0 designation and perfect sphericity?

Answer

They are treated as *approaching* spherical, possessing subtle, unresolvable deviations.

Due to observational limitations, residual internal dynamics, and the chaotic nature of formation, the consensus is that E0 objects are nearly spherical analogs, not guaranteed perfect mathematical spheres.

What is the general consensus among astronomers regarding the E0 designation and perfect sphericity?
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