What’s That Colossal Structure Found In the Milky Way?

Studying morphology, i.e. the shape of our galaxy ( the milky way), is a difficult thing to do. Why is that? Because we don’t have directed eyesight of our galaxy.  From our position inside the Milky Way, much of its size, contents, and three-dimensional structure is really tricky to figure out.What we currently know is that we live in a spiral galaxy.

Astronomers discovered a new colossal structure, and named it “Cattail”. It’s huge. But it is such a wonder. Before seeing what we know about it, let’s talk a bit about the structure of our galaxy: it will help us understand better why this discovery is so peculiar. The Milky Way Galaxy’s structure is fairly typical of a large spiral system. This structure can be viewed as consisting of six separate parts: (1) a nucleus, (2) a central bulge, (3) a disk (both a thin and a thick disk), (4) spiral arms, (5) a spherical component, and (6) a massive halo. Some of these components blend into each other.

At the very centre of the Galaxy lies a remarkable object—a massive black hole surrounded by an accretion disk of high-temperature gas.

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