What does the cryptic crossword clue "Head envoy's bile misrepresented space travellers? (8,6)" mean?

The wordplay uses an anagram. anagram of HEAD + ENVOY'S + BILE = HEAVENLYBODIES The answer is HEAVENLYBODIES.

Head envoy's bile misrepresented space travellers? (8,6)

Daily Mail Cryptic #17093 | 6 Across | 2023-05-09 flower