Galaxy Zoo Top Trumps!

Here in the Oxford University astrophysics group we’ve been thinking about astronomy games to play with the school and public groups that come to our telescope evenings — do you remember the “Top Trumps” card game? Well how about “Galaxy Top Trumps”?!
If you grew up in the UK then you may have spent your school lunch hour playing this game. It’s a really simple card game: each pack of Top Trumps has a theme – cars, footballers, fighter planes, now they cover pretty much anything you can imagine (except galaxies). For example, each card in a cars pack would have a picture of a car and a handful of numbers for that car, such as its top speed or fuel consumption. The player on the dealer’s left chooses one of these numbers, and players compare the number on the top card in each of their hands. The card with the best number wins the trick, and its owner collects the other cards. Play continues until one player holds all the cards, or lunch hour ends and double maths begins, whichever comes first!
At school we became experts on cars as a result of playing this game (did you know ...