Cryptic crossword clue
Company check up for space travellers? 6

The most common and most likely answer to this crossword clue is the 6 letter word COMETS

C
O
M
E
T
S

Buddy explains!

The straight part
We know that "space travellers" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case space travellers = comets.
The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.
This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.

What does COMETS mean?

COMETS noun
  1. A celestial body consisting mainly of ice, dust and gas in a (usually very eccentric) orbit around the Sun and having a "tail" of matter blown back from it by the solar wind as it approaches the Sun.
  2. A celestial phenomenon with the appearance given by the orbiting celestial body.
  3. Any of several species of hummingbird found in the Andes.

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