Since it was stripped of planetary status, Pluto’s defenders have been fighting the decision – and they’re only getting more passionate

Twenty years ago, Pluto got demoted. After a vote by the International Astronomical Union (IAU) in August 2006, Pluto was relegated from major planet to dwarf planet status. Our solar system dropped from nine planets to eight. At the time, many scientists were unhappy with the decision. Two decades on, the debate is, if anything, even more polarised.

“The definition of a planet they created, you can’t use it at all,” says Philip Metzger, the director of the Stephen W Hawking Centre for Microgravity Research and Education at the University of Central Florida. “It makes the definition of a planet completely non-useful in science.”

I need to buy a smart television big enough to read ransom notes – and I’m taking no prisoners

Fourteen years ago, I received a text from my eldest son claiming he’d just found the TV face down on the sitting room floor, destroyed. I didn’t entirely buy his theory about the dogs being responsible – I discovered a football lying suspiciously near the crime scene – but it was a problem I needed to solve before my wife returned from a business trip.

That was the last time I bought a new television. It still works, but it’s small by today’s standards, to the extent that it’s impossible to read the contents of a ransom note held by a detective in a drama. As TVs have expanded, the ransom notes have got smaller; I often have to pause the programme, get up and put my nose to the screen.