Fig. 5. from Guerrero et al. 2003
https://ui.adsabs.harvard.edu/abs/2003AJ....125.3213G/abstract
Kelly Lepo on Nostr: The 3D structure of the nebula likely consists of two shells of gas, formed when the ...
The 3D structure of the nebula likely consists of two shells of gas, formed when the star lost its outer layers at the end of its lifetime, and an hourglass-shaped central cavity excavated by the winds of the dying star.
Fig. 5. from Guerrero et al. 2003
https://ui.adsabs.harvard.edu/abs/2003AJ....125.3213G/abstract
Fig. 5. from Guerrero et al. 2003
https://ui.adsabs.harvard.edu/abs/2003AJ....125.3213G/abstract