planetary nebula

Converse of object

• call: The expended gas frequently forms an impressive display called a planetary nebula that fades gradually over thousand of years.
• produce: This process often produces a planetary nebula, with the white dwarf star at its center.
• form: It continues to lose mass via a stellar wind as it dies, forming a planetary nebula.

Adjective modifier

• other: In other planetary nebulae, like the Ring Nebula ( NGC 6720 ), we view the donut from the top.
• faint: VLA observations of V4334 Sgr ( Sakurai's Object ) provided images of the associated faint planetary nebula.
• Many: Bipolar lobes Many planetary nebulae have a pronounced spreading along an axis.
• more: In the ensuing 70 years, only three more planetary nebulae have been discovered in globular clusters.