Galaxies are the grand cities of the cosmos — vast collections of stars, gas, dust and dark matter shaped over billions of years.
From the familiar swirl of our own Milky Way to the chaotic beauty of irregular galaxies, these celestial structures are as diverse as they are awe-inspiring. But how much do you really know about them?
Whether you’re a seasoned stargazer or a curious newcomer, you’ll encounter questions that challenge your understanding and spark your imagination.
Try it out below and see how well you score!