Sesame Street is a repeat offender. In Ernie’s book I Don’t Want to Live on the Moon, the cover shows stars shining right through a crescent moon. And in a ‘C in space’ segment, the moon looks surprisingly happy, despite the fact that these stars are shining through it. Okay, yes, the moon having a face and emotions is not astronomically accurate either, but that is still no excuse for teaching children inaccurate geometry. I expect more from a supposedly ‘educational’ programme.

