planetary nebula (Meaning)
planetary nebula (n)
a nebula that was once thought to be a star with its planets but is now thought to be a very hot star surrounded by an expanding envelope of ionized gases that emit a fluorescent glow because of intense radiation from the star
Synonyms & Antonyms of planetary nebula
No Synonyms and anytonyms found
planetary nebula Sentence Examples
- The central star of this planetary nebula, a dying star, emits intense ultraviolet radiation.
- Planetary nebulae, formed when stars eject their outer layers, provide insights into stellar evolution.
- The Crab Nebula, a well-known planetary nebula, is a remnant of a supernova explosion.
- Spectroscopy of planetary nebulae reveals their chemical composition and the presence of exotic elements.
- The Cat's Eye Nebula, an iconic planetary nebula, exhibits a striking symmetric shape.
- The planetary nebula M2-9 presents a complex and mesmerizing structure with intricate filaments and arches.
- The Ring Nebula, one of the most famous planetary nebulae, showcases a distinct circular shape.
- Helix Nebula, a prominent planetary nebula, resembles a glowing cosmic eye in the night sky.
- Scientists study planetary nebulae to understand the transformation of stars nearing the end of their lives.
- The planetary nebula NGC 7293, with its finely structured jets and lobes, is a captivating celestial spectacle.
FAQs About the word planetary nebula
a nebula that was once thought to be a star with its planets but is now thought to be a very hot star surrounded by an expanding envelope of ionized gases that
No synonyms found.
No antonyms found.
The central star of this planetary nebula, a dying star, emits intense ultraviolet radiation.
Planetary nebulae, formed when stars eject their outer layers, provide insights into stellar evolution.
The Crab Nebula, a well-known planetary nebula, is a remnant of a supernova explosion.
Spectroscopy of planetary nebulae reveals their chemical composition and the presence of exotic elements.
