1/ Right, I thought I'd have a go at a #tweetstorm. The thread covers my PhD research @Swinburne & @ICRAR into how #galaxies evolve. If you’re into space and/or interested in what astronomers do, read on. If not, well you never know what you'll like so take a peek anyway... 2/ BACKGROUND: One of the great discoveries of the twentieth century was that our Milky Way is just one of billions of galaxies, each one different from the last.