Space traveller circling orbit extremely eager for a measure of applause (10)

'a measure of applause' is the definition.
I know nothing about this answer so I can't tell whether this works.

'space traveller circling orbit extremely eager' is the wordplay.
'space traveller' becomes 'comet' (object travelling through space).
'circling' means one lot of letters goes inside another (circling can mean going around or containing).
'orbit' becomes 'lap' (I've seen this in another clue).
'extremely' suggests removing the centre (only the extremes of the word are used).
'eager' with its centre removed is 'er'.
'comet' enclosing 'lap' is 'clapomet'.
'clapomet'+'er'='CLAPOMETER'

'for' acts as a link.

Can you help me to learn more?