I watched a video and encountered an unfamiliar idiom.
0:50 It's not like we're asking for the sun, the moon and stars.
This is a comment made by union worker who is negotiation with his employer.
I think it is a metaphor for excessive demands in this context. However I'm not confident because it is hard to associate 'the sun, the moon and stars' literally with 'excessive demands'.
It would be appreciated if someone answers what this means.