Galaxies are the great cities of the cosmos: vast collections of stars, gas, dust and dark matter formed over billions of years.
Of the familiar whirlpool itself Milky Way In addition to the chaotic beauty of irregular galaxies, these celestial structures are as diverse as they are impressive. But how much do you really know about them?
Whether you’re a seasoned stargazer or a curious newcomer, you’ll find questions that challenge your understanding and spark your imagination.
Try it below and see how well you get!
