nebula
nebula — noun
- nebulasingular
- nebulaeplural
1. a huge area of dust and gas floating between the stars, sometimes glowing bright
a huge area of dust and gas floating between the stars, sometimes glowing brightly because nearby stars light it up, and sometimes appearing as a dark patch against the night sky.
The Orion nebula glows pink and blue when seen through a strong telescope.
named nebula + appearance through a telescope
Asher pointed at a faint nebula above the mountains during the camping trip.
spotting a nebula in the night sky
Astronomers think new stars are forming deep inside that distant nebula.
A dark nebula blocks the light of the stars sitting behind it.
The photo from the space telescope showed a nebula shaped like a butterfly.
- interstellar cloud
technical; covers any gas/dust between stars
- gas cloud
informal description; not the standard astronomy term
文法句型
a nebula in [region of space]
the nebula
用法筆記
Plural is either 'nebulae' (more formal, scientific writing) or 'nebulas' (more common in everyday text). Often paired with a name: 'the Orion nebula', 'the Crab nebula'.