Definition of nebula in English:
noun (plural nebulae /-liː/ or nebulas)
1 Astronomy A cloud of gas and dust in outer space, visible in the night sky either as an indistinct bright patch or as a dark silhouette against other luminous matter.
- Evolutionists believe that the solar system condensed out of a cloud of gas and dust called a nebula, hence the nebular hypothesis.
- We have missions that include active nebulas, swirling dust clouds, moving asteroids and asteroid fields.
- A planetary nebula forms when Sun-like stars gently eject their outer gaseous layers to form bright nebulae with amazing twisted shapes.
1.1 dated A galaxy.
- Then Edward Hubble discovered that the nebulae were other galaxies like ours only much further away than was thought possible.
- In further studies, he showed that these nebulas are actually other galaxies, and he went on to classify them.
- Hubble realized that these spiral nebulae were so far away they were actually galaxies - separate cities of stars - far beyond our own Milky Way.
mid 17th century (as a medical term): from Latin, literally 'mist'.
Definition of nebula in:
- US English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Canada
Most popular in Australia
Most popular in Malaysia
Most popular in Pakistan