It’s been a very busy day so in lieu of a proper post I thought I’d recycle an old joke with a new picture I took on my way to collect some examination scripts earlier today for marking.
I’m sad to have to use the medium of this blog to report the tragic death of the Hubble parameter. It had been declining for some time and, despite appearing to pick up recently, the end was somewhat inevitable. Condolences to the other parameters, especially Ω (who was in a close relationship with H), on this sad loss.

An older version of this joke, posted 11 years ago, can be found here.
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