extragalactic nebula (Meaning)
extragalactic nebula (n)
(astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust
Synonyms & Antonyms of extragalactic nebula
No Synonyms and anytonyms found
extragalactic nebula Sentence Examples
- Extragalactic nebulae, also known as galaxies, are vast collections of stars, gas, and dust held together by gravitational forces.
- The Andromeda Galaxy, the closest extragalactic nebula to our Milky Way, is about 2.5 million light-years away.
- Astronomers have observed extragalactic nebulae in various shapes and sizes, including spirals, ellipticals, and irregulars.
- The study of extragalactic nebulae has provided valuable insights into the composition, structure, and evolution of galaxies.
- Edwin Hubble, an American astronomer, made significant contributions to the understanding of extragalactic nebulae in the early 20th century.
- Hubble's observations led to the discovery of the expansion of the universe and the existence of other galaxies beyond our own.
- The extragalactic nebulae contain various types of stars, including young, massive stars and older, cooler stars.
- Astronomers have also detected the presence of gas and dust, as well as various molecules, within extragalactic nebulae.
- The study of extragalactic nebulae plays a crucial role in understanding the formation and evolution of galaxies and the universe as a whole.
- Extragalactic nebulae continue to be a fascinating area of research for astronomers, leading to new discoveries and insights into the vastness and complexity of the cosmos.
FAQs About the word extragalactic nebula
(astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust
No synonyms found.
No antonyms found.
Extragalactic nebulae, also known as galaxies, are vast collections of stars, gas, and dust held together by gravitational forces.
The Andromeda Galaxy, the closest extragalactic nebula to our Milky Way, is about 2.5 million light-years away.
Astronomers have observed extragalactic nebulae in various shapes and sizes, including spirals, ellipticals, and irregulars.
The study of extragalactic nebulae has provided valuable insights into the composition, structure, and evolution of galaxies.
