What context can I use each word in?
Learn when and how to use these words with these examples!
extraplanetary
Example
The extraplanetary mission aims to study the composition of asteroids. [extraplanetary: adjective]
Example
The discovery of extraplanetary life would be a groundbreaking achievement. [extraplanetary: adjective]
interstellar
Example
The interstellar medium is the matter and radiation that exists in the space between stars. [interstellar: adjective]
Example
The Voyager spacecraft is on an interstellar mission to explore the outer reaches of our solar system. [interstellar: adjective]
Good things to know
Which word is more common?
Interstellar is more commonly used than extraplanetary in everyday language. Interstellar has a broader usage and can be used in various contexts, such as science fiction or astronomy, while extraplanetary is less common and is often used in the context of space exploration and research.
Whatโs the difference in the tone of formality between extraplanetary and interstellar?
Both extraplanetary and interstellar have a scientific connotation and are typically used in formal or technical contexts.