What does the cryptic crossword clue "Cherished by SpaceX – Eternal City (6)" mean?

The definition is "City". The wordplay uses a hidden word. Hidden in "cherished by spacEX – ETERnal city" The answer is EXETER.

Cherished by SpaceX – Eternal City (6)

Guardian Cryptic #29497 | 27 Across | 2024-09-25 flower