Thursday, August 11, 2022

Names and characteristics of galaxies in the universe, students must know

Who is interested in material about the nature of the Milky Way and the Universe in Natural Science (IPA) lessons? If you are one of them, do you know its name? Galaxy Who exists in the universe? Yes, the name of the galaxy in the universe is not only Milky Way and Andromeda, but there are many other names.

First, please note that the solar system we now live in is in a galaxy called the Milky Way Galaxy (The Milky Way). The Sun in our Solar System is one of the 200 billion stars in the Milky Way.

understanding the galaxy

Quoting from the book Exploring Outer Space Theme 9 Teaching Materials Class VI (2013) that a galaxy is a collection of stars that form a system consisting of one or more massive celestial bodies. Where this celestial body is surrounded by other celestial bodies that regularly revolve around it.

Again, the science of astronomy that a galaxy is a system consisting of stars, gas and dust is much broader. The Sun in our Solar System is one of hundreds of billions of stars in a galaxy. The closer to the center of the galaxy, the distance between the stars, or in other words, towards the center the greater the density of the galaxy.

characteristics of galaxies

There are some features of galaxy you should know! Here’s the explanation:

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The light source comes from the galaxy itself and the light is not reflected

The distance between galaxies is millions of light years from one to the other.

Other galaxies can be seen outside the Milky Way

Galaxies have certain shapes, such as spiral shapes, ellipses, and irregular shapes.

Galaxies have a bright core at their center that makes them easy to detect

name of galaxy

Launched from the Universe and Space Objects Module (2000) by Mohamed Soorjani that there are many name of galaxy that exists in the universe. So it’s not just the Milky Way and Andromeda. Let’s see the names of galaxies below:

1. Milky Way Galaxy

The Milky Way was first discovered by William Herschel, an English astronomer, on July 18, 1783. The Milky Way galaxy contains 400 billion stars with a diameter of about 130,000 light years (1 light year is equivalent to 9,500 billion kilometres).

2. Ursa Major Galaxy

The Ursa Major galaxy is about 10,000 light-years away from the main galaxy, the Milky Way. The shape of the Ursa Major galaxy is elliptical and it is also dense compared to the size or name of other galaxies.

3. Magellanic Galaxy

The Magellanic Galaxy can be said to be a form of galaxy that is very close to the main galaxy, the Milky Way. Where it is at a distance of about 150,000 light years and is located in the southern sky. Unlike other galaxies, where the Magellanic Galaxy is quite irregular in shape.

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4. Andromeda Galaxy

The size of the Andromeda Galaxy is quite large, with a diameter of 200,000 light years. It can be said that the Andromeda galaxy is twice the diameter of the Milky Way galaxy. According to experts, the size of the Andromeda galaxy is similar to the size of the Moon and its larger size.

5. Black Eye Galaxy

This Black Eye galaxy has rings and is very dark in color. Where did Charles Messier find it in 1781? This galaxy has a distinctive feature of a ring made of fog and encloses a luminous core. Experts estimate that the gap or distance from the Black Eye galaxy is more than 16 million to 17 million light years.

6. Distant Galaxy

This distant galaxy is far away from the Milky Way galaxy. where the distance interval from the Milky Way galaxy is about 10 million light years. Examples of these distant galaxies are the Whirlpool Galaxy, the Triangle Galaxy, and the Silver Galaxy.

Well, those are the meanings, characteristics, and name of galaxy in the universe. Happy Learning Detractors!

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