Our sun and the planets that circle it are part of a galaxy called the Milky Way. Its name comes from the Greek galaxias ...
What is our galaxy, the Milky Way, made of? Well, that is a really good question. I suppose the obvious answer, and it's right in part, is stars - some smaller than the sun and some bigger than ...
Have you ever wondered how astronomers manage to map out the Milky Way when it's so incredibly vast? One of the most powerful ...