OK, WHAT I’m about to say may cause some distress. You remember how it was with Pluto? In 2006, the International Astronomical Union (IAU) voted to downgrade the much-loved ninth planet to a mere dwarf planet. More than a decade later, it seems some people still haven’t gotten over it. But I’m still going to say it: things are getting a little out of hand with the solar system’s moons.
On 7 October, astronomers announced the discovery of 20 moons around Saturn. This took the total number of moons in the solar system to 214. The thing is, …