KOMPAS.com – Planet earth is on Solar system which is part of Milkyway Galaxy or in English called the Milky Way. What is in the Milky Way and what does the Milky Way Galaxy look like? Here is the explanation!
Milky Way Galaxy Shape
The Milky Way Galaxy has a spiral shape, like a thin disk with a protruding center. The disc has a slightly curved shape.
The disk of the Milky Way Galaxy is estimated to be about 100,000 light years in diameter and about a thousand light years thick, with a mass reaching 1.5 trillion times that of the sun.
The Milky Way Galaxy is one of the galaxies that contains about 200 billion stars, gas, dust, and various celestial bodies such as comets and countless asteroids.
Read also: Kinds of Galaxies
The protruding center of the galaxy has an almost spherical shape. Reported from Spacethis section contains 10 billion stars and some of the dark red giants that formed in the early stages of galactic evolution.
As the earth revolves around the sun, the sun also revolves around the center of the Milky Way Galaxy.
The Solar System orbits the Milky Way at a speed of about 828 thousand kilometers per hour and completes one cycle in 230 million years.
The Milky Way is made up of hundreds of billions of stars, making it difficult to pinpoint their position solar system be right.
However, scientists can estimate our position in the Milky Way.
Reported from Imagine the Universe NASA, our Solar System is about 25,000 light years from the galactic center. That is, the Solar System and Earth are on the outskirts of the Milky Way Galaxy.
Read also: Solar System
Then, what is the core or center of the Milky Way Galaxy? Reported from NASAthe galactic core or center is a supermassive black hole called Sagittarius A*.
Sagittarius A* is a very large black hole and cannot be seen by the human eye without the aid of an instrument. The entire contents of the Milky Way Galaxy revolves around Sagittarius A* which has a mass about four million times heavier than the mass of the sun.
Sagittarius A* which is the center of the Milky Way Galaxy-Get updates news of choice and breaking news every day from Kompas.com. Let’s join the Telegram group “Kompas.com News Update”, how to click the link https://t.me/kompascomupdate, then join. You must first install the Telegram application on your cellphone.– 
