Some time ago I wrote a blog about poor Pluto – the planet that was a planet, and then it wasn’t annnnnd ... now it looks like it may, once again, be reinstated as a planet. Confused as I am? It’s no wonder. Imagine how the planet / non-planet feels? As a popular meme doing the rounds says, ’So you dumped me years ago, now you’re driving round my house real slow?’ I looked up the current...

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