6th December 2019

nasa
15

What elements make up a galaxy?

Our galaxy, the Milky Way, is typical: it has hundreds of billions of stars, enough gas and dust to make billions more stars, and at least ten times as much dark matter as all the stars and gas put together.

Also question is, what are the three main components of the Milky Way?

Visible Components. A spiral galaxy like the Milky Way has three basic components to its visible matter: the disk (containing the spiral arms), the halo, and the nucleus or central bulge.

What does the Galaxy consist of?

Spiral galaxies, such as the Milky Way, consist of a flat disk with a bulging center and surrounding spiral arms. The galaxy's disk includes stars, planets, dust, and gas—all of which rotate around the galactic center in a regular manner.

What is the overall structure of the Milky Way galaxy?

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. Three views of the Milky Way Galaxy.
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