[Q&A] Galaxies Made from Antimatter, Transparency of Science, Favourite Lagrange Point Reveal

Is it possible that some of the galaxies out there are made of antimatter? How transparent is science research across the world? Which of the Lagrange points is my favourite? And in our free bonus question on Patreon, how big can of a moon can the Earth sustain? All this and more in this Q&A show.