Wandering star over North Germany primarily suggests aliens (9)

I believe the answer is:

strangers

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'aliens' is the definition.
('stranger' can be a synonym of 'alien')

'wandering star over north germany primarily suggests' is the wordplay.
'wandering' indicates anagramming the letters.
'over north' becomes 'n' (abbreviation. I am not sure about the 'over' bit.).
'germany' becomes 'ger' (I've seen this in other clues).
'primarily' suggests taking the first letters.
The first letter of 'suggests' is 's'.
'star' is an anagram of 'stra'.
'stra'+'n'+'ger'+'s'='STRANGERS'

Can you help me to learn more?

(Other definitions for strangers that I've seen before include "Aliens" , "Those we have not met" , "Foreigners" , "People one doesn't know" , "Outsiders" .)

I've seen this clue in The Independent.

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