That can only be estimated, since actual counts are so difficult.
The best estimates are between 100 billion to 400 billion.
The Milky Way is our galaxy, there are many, many millions of suns that make up the Milky Way
There are billions of suns in the Milky Way, it's a galaxy. Our milky way is forming about 2 suns per year.
Our galaxy (the Milky Way) is estimated to have between 100 and 400 billion stars. A star is a sun.
Milky WaySunEarth
one of the arms that go in one direction
Our sun "The Sun" exists in a galaxy called "the milky way", all other galaxy's that we know of also have suns.
The sun is one of the many stars in the milky way - our galaxy. Sol, our Suns name is about 25 light years from the center of the Milky Way.
There are around 200 to 400 billion stars in our galaxy. It is more correct to call them stars, rather than "Suns", because the name "Sun" is the name of our star. You wouldn't call all Americans Sam, would you?
There are lots of giants in our galaxy. Betelgeuse is very big (about 20 of our Suns). The massive object / system (expected to be a supermassive black hole) at the center of the Milky Way has the mass about 2.6 million of our Suns.
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The sun is located in a spiral arm of the Milky Way galaxy, about 25,000 light-years from the center. In the universe, the sun is part of the Local Group, a collection of galaxies that includes the Milky Way and the Andromeda galaxy.
We expect the Andromeda galaxy to be just like our own Milky Way galaxy. We can see stars (suns) in the Andromeda Galaxy and just as stars have planets orbiting them in our galaxy, we believe that there must be planets also orbiting stars in the Andromeda galaxy.