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Hint: In order to find the answer of the above question where we have to find that to which galaxy does the sun and our earth belongs, we will first discuss what is galaxy and then will further proceed to check what is the name of the galaxy to which earth and sun belong.
Complete step-by-step solution:
First of all, to find the answer we will discuss what is galaxy?
So, the galaxy is defined as a huge collection of gas, dust, and billions of stars and their solar systems, which are all held together by gravity.
Now, let us find out that to which galaxy does our earth and sun belongs:
Our Sun, which is the biggest star and all the planets that are revolving around it are part of a galaxy known as the Milky Way Galaxy. A galaxy is a large group of stars, gas, and dust that are bound together by gravity. These all things can come in a variety of shapes and sizes. The Milky Way is a large barred spiral shaped galaxy. All the stars that we see in the night sky are in our own Milky Way Galaxy. Our galaxy is called the Milky Way galaxy because it appears as a milky band of light in the sky when we see it in a really dark area.
It is very difficult for us to count the number of stars present in the Milky Way galaxy from our position inside the galaxy. Our best estimates tell us that the Milky Way galaxy comprises approximately 100 billion stars. These stars together form a large disk whose diameter is about 100,000 light years. Our Solar System is approximately 25,000 light years away from the center of our galaxy – we live in the suburbs of our galaxy. Just as the Earth goes around the Sun, the Sun goes around the center of the Milky Way. It takes 250 million years for our Sun and the solar system to go all the way around the center of the Milky Way.
Note:In the above question we got to know that we belong to the milky way galaxy but we are also given option like light years, galaxy and universe let us discuss why can’t these be the answers:
Universe: different galaxies belong to the universe so, it can’t be the name
Light year: it is the unit of the length in astronomy
Galaxy: it cannot be the name of the galaxy.
Complete step-by-step solution:
First of all, to find the answer we will discuss what is galaxy?
So, the galaxy is defined as a huge collection of gas, dust, and billions of stars and their solar systems, which are all held together by gravity.
Now, let us find out that to which galaxy does our earth and sun belongs:
Our Sun, which is the biggest star and all the planets that are revolving around it are part of a galaxy known as the Milky Way Galaxy. A galaxy is a large group of stars, gas, and dust that are bound together by gravity. These all things can come in a variety of shapes and sizes. The Milky Way is a large barred spiral shaped galaxy. All the stars that we see in the night sky are in our own Milky Way Galaxy. Our galaxy is called the Milky Way galaxy because it appears as a milky band of light in the sky when we see it in a really dark area.
It is very difficult for us to count the number of stars present in the Milky Way galaxy from our position inside the galaxy. Our best estimates tell us that the Milky Way galaxy comprises approximately 100 billion stars. These stars together form a large disk whose diameter is about 100,000 light years. Our Solar System is approximately 25,000 light years away from the center of our galaxy – we live in the suburbs of our galaxy. Just as the Earth goes around the Sun, the Sun goes around the center of the Milky Way. It takes 250 million years for our Sun and the solar system to go all the way around the center of the Milky Way.
Note:In the above question we got to know that we belong to the milky way galaxy but we are also given option like light years, galaxy and universe let us discuss why can’t these be the answers:
Universe: different galaxies belong to the universe so, it can’t be the name
Light year: it is the unit of the length in astronomy
Galaxy: it cannot be the name of the galaxy.
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