The galaxy - a small part of the space
A collection of stars is called galaxy or milky way with stars, suns, are meant to be. In our sky they see only the sun.
- In addition to many suns there are in a galaxy with even more planets orbiting those suns. Our earth is an example of such a Planet.
- You look at night in the cloudless sky, you can see many of these planetary rays. This is because they are illuminated by other suns face. The planet itself does not glow namely.
- The suns of a galaxy - which by the way, billions of circles as well, though not to other stars, but the center of the galaxy, a black hole.
- The circle of the stars, are some kind of a spiral-shaped rotating plate. However, this is only the most common Form of a galaxy. The star collections can also be elliptical, or without a specific structure is shaped.
The night sky only a fraction of our galaxy (image: Pixabay)
Interesting facts about the space
As already mentioned, forms our earth, only a tiny dot in our milky way.
- In an average sized galaxy is about 100 billion, circles, stars, so, suns.
- Our galaxy is in human comprehension is very large: it has a diameter of about 100,000 light years, where one light year is about 9.5 trillion kilometers.
- So huge our milky way occurs, it is only a tiny point in space. How many galaxies there are in fact, don't know the science. Previously it was believed that there are about 100 billion galaxies. The Hubble telescope and the data it has delivered, has these thoughts, however, resist. According to our present knowledge there are at least ten times as many galaxies, as originally assumed.
This is a question many: there Are in the world space noise? The answer to that you can find in our next article.
