Crossword Genius

A little world in space (3)

Ross

I believe the answer is:

mir

I'm a little stuck... Click here to teach me more about this clue!

This might be a double definition.

'a little world' is the first definition.
The definition suggests a singular noun which matches the answer.

'space' is the second definition.
Both the answer and definition are singular nouns.
Maybe they are linked in a way I don't understand?

'in' is the link.

Can you help me to learn more?

(Another definition for mir that I've seen is " Russian space station".)

I've seen this clue in the Evening Standard.
Want a hint initially instead of a full solution? Install my app