How to Use planetary nebula in a Sentence

planetary nebula

noun

• Even stars that are just a few percent less massive than the sun will not produce a planetary nebula.
  — Jason Daley, Smithsonian, 9 May 2018
• In one image of the Southern Ring planetary nebula, the shells of gas and dust ejected from dying stars like our sun, provide detail from the late stages of a star’s life.
  — Camille Fine, USA TODAY, 12 July 2022
• Though the phenomenon is called a planetary nebula, the term is a misnomer.
  — Leslie Nemo, Scientific American, 15 Jan. 2021
• This expanding cloud of gas, called a planetary nebula, is the result of a dying star that is blowing off its outer layers.
  — Jake Parks, Discover Magazine, 11 July 2022
• The leftovers of a star that went supernova are called planetary nebula.
  — Jamie Carter, Forbes, 23 July 2022
• The Southern Ring planetary nebula – an expanding cloud of gas surrounding a dying star - is 2,000 light-years away from Earth.
  — Jamie Carter, Forbes, 9 July 2022
• This large planetary nebula includes an expanding cloud of gas around a dying star.
  — Ashley Strickland, CNN, 12 July 2022
• Instead, a planetary nebula is formed when an older, massive star blasts off some of its outer layers, forming a ring of expanding gas.
  — John Timmer, Ars Technica, 8 July 2022
• Southern Ring Nebula: This is an example of a planetary nebula, which has nothing to do with planets.
  — John Timmer, Ars Technica, 8 July 2022
• It's long been known that most stars wind up producing a planetary nebula, but astronomers thought the sun — a ball of superheated gas with a diameter 109 times that of Earth — was too small to form a visible nebula.
  — David Freeman /, NBC News, 10 May 2018
• For decades, astronomers have sought the lightest noble gas molecule, helium hydride, in the planetary nebula NGC 7027, shown in this composite image.
  — Ken Croswell, Discover Magazine, 12 Dec. 2019
• Those intense stellar winds will eventually expel the atmosphere and stellar envelope, and the star will become a white dwarf star within a planetary nebula.
  — Jennifer Ouellette, Ars Technica, 29 Mar. 2022
• That’s the Stingray Nebula, considered the youngest planetary nebula—a title given to nebulae born of a dying star—which became visible late last century.
  — National Geographic, 20 Mar. 2018
• Famous examples of planetary nebula include: Ring Nebula (M57) in the constellation of Lyra.
  — Jamie Carter, Forbes, 23 July 2022

Last Updated: 2 Aug 2024