Astronomers have theorized that the nebula is ring-shaped or has a soap bubble structure, but the model created from the SMA data revealed it is an ellipsoid. The SMA data pinpoint the velocities and ...

confirms its ellipsoidal structure and provides a more detailed understanding of the velocities and locations of carbon monoxide molecules ejected by the dying star that generated the Ring Nebula ...

Previous theories suggested the nebula might be ring-shaped or resemble a soap bubble. However, the new model, based on SMA data, confirms its ellipsoidal structure and provides a more detailed ...