The milky way galaxy planets. A galaxy is a large group of stars gas and dust bound together by gravity. The milky way galaxy planets amazing hd exploration bbc documentary this video gives an impression of how common planets are around the stars in the milky way. The habitable zone is an area that is an acceptable distance from the sun which is expected to maintain optimal temperatures to support life. Here are the ones you need to know.
Extrapolating out to the rest of the galaxy scientists estimate that the milky way could contain upwards of 50 billion planets 500 million of which could be in their stars habitable zones. The annotated artists concept illustrates the new view of the milky way. Our sun a star and all the planets around it are part of a galaxy known as the milky way galaxy. A galaxy is a huge group of gas stars dust and rocks that are held together through gravity.
In the milky way galaxy approximately 88 billion planets are in the habitable zone. The galaxys two major arms scutum centaurus and perseus can be seen attached to the ends of a thick central bar while the two now demoted minor arms norma and sagittarius are less distinct and located between the major arms. If you look up at night you can see the milky band of light that crosses the sky. Galaxies come in a lot of shapes and sizes and our milky way is called a large barred spiral galaxy.
All the stars we see in the night sky are in our own milky way galaxy. Doing the math we can then say that the milky way galaxy has on average between 800 billion and 32 trillion planets with some estimates placing that number as high a 8 trillion. Within the galaxy are solar systems and with that are planets. The milky way is a large barred spiral galaxy.
A hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye. Thats a lot of planets to discover. The milky way is a galaxy that our solar system is in and the solar system that we live in has our planet earth in it.