Mind blowing facts about the Milky Way

The Milky Way is a huge and very interesting place. Not only is it about 120,000 to 180,000 light years across, it is also home to planet Earth, the cradle of mankind. Our solar system lies on the inner edge of one of his spiraling clusters of gas and dust particles known as the Orion Arm, about 27,000 light-years from the galactic center.

But among these facts about the Milky Way are some additional information that will impress and inspire you. Here are 10 such facts in no particular order.

Distorted:

First, the Milky Way is a disk about 120,000 light-years in diameter, with a central bulge 12,000 light-years in diameter (see our Universe Guide article for more information). However, as you can see in the image below, the disk is not perfectly flat. In fact, it has a distorted shape, and astronomers attribute this fact to his two neighbors in our galaxy, the Large and Small Magellanic Clouds.

These two dwarf galaxies — part of our galaxy’s “local group” and possibly orbiting the Milky Way — are thought to have been pulling our galaxy’s dark matter in a galactic tug-of-war. increase. The attraction creates a kind of vibrational frequency that attracts the galaxy’s hydrogen gas, which is abundant in the Milky Way (see How the Milky Way Was Warped for details).

There is a halo, but you can’t see it directly:

Scientists believe that 90% of our galaxy’s mass is composed of dark matter, giving it a mysterious halo. This means that the total “luminosity” visible to the naked eye or telescope is less than 10% of the mass of the Milky Way. That halo is not the kind of conventional light we think of when painting angels or observing comets.

In this case, the halo is actually invisible, but its existence is a reflection of what the Milky Way would look like without this invisible mass, and how fast the stars in the galaxy’s disk would orbit around the center. This has been demonstrated by running simulations of The heavier the galaxy, the faster it should orbit. Assuming that galaxies consist only of visible matter, the rotation speed would be significantly lower than what we observed. So the rest of that mass must be an elusive, invisible mass, or alias. “Dark matter” — or matter that only gravitationally interacts with “ordinary matter”

There are over 200 billion stars:

Milky Way is middle class in the galaxy. The largest galaxy we know, called IC 1101, has over 100 trillion stars, and other large galaxies have up to 1 trillion stars. Dwarf galaxies like the aforementioned Large Magellanic Cloud have about 10 billion stars. The Milky Way has between 100 billion and 400 billion stars. However, looking up at the night sky, the maximum amount visible from any point on Earth is about 2,500. However, this number is not constant. This is because the Milky Way galaxy is constantly losing stars to supernovae and producing new stars all the time (about 7 per year)……..

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