I'm not really good at explaining it, but basically what my teacher said was that the further something is in light years is the older it is... So basically if they are all equally further away in light years then they're the same age? I think thats what they were on about
I had put downswing as my answer for the whole exam, and just as the HSC administrator lady said pens down I had a sudden urge to change it to recession, which I did lol... WHY