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/ˈnɛbjʊlə/ · noun
(astronomy) A cloud in outer space consisting of gas or dust (e.g. a cloud formed after a star explodes)..
Approximately 5 billion years ago, our solar nebula was formed as gravitational forces pulled interstellar gas and dust into a swirling mass around out newly formed sun.
Use nebula when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Nebula means (astronomy) A cloud in outer space consisting of gas or dust (e.g. a cloud formed after a star explodes)..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Approximately 5 billion years ago, our solar nebula was formed as gravitational forces pulled interstellar gas and dust into a swirling mass around out newly formed sun.
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