The milky way galaxy. Not only does it measure some 120000180000 light years in diameter it is home to planet earth the birthplace of humanity. A hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye. The milky way galaxy is an immense and very interesting place. If you could look down on it from the top you would see a central bulge surrounded by four large spiral arms that wrap around it.
A galaxy is a large group of stars gas and dust bound together by gravity. They come in a variety of shapes and sizes. The galactic centre which is located about 26000 light years from earth contains at least one supermassive black hole called sagittarius a and is crossed by a bar. Our sun a star and all the planets around it are part of a galaxy known as the milky way galaxy.
It lies about 8 kpc from the center on what is known as the orion arm of the milky way. The milky way is the galaxy that contains the solar system with the name describing the galaxys appearance from earth. It is a fairly typical barred spiral with four major arms in its disk at least one spur and a newly discovered outer arm. The sun does not lie near the center of our galaxy.
The milky way galaxy is home to 400 billion stars and our own sun and solar system. Milky way galaxy not counting transient events such as gamma ray bursts the brightest object in the gamma ray sky is the plane of our milky way galaxy. Milky way galaxy sometimes simply called the galaxy large spiral system of about several hundred billion stars one of which is the sun. All the stars we see in the night sky are in our own milky way galaxy.
The milky way is a large barred spiral galaxy. Learn about our milky way galaxy with this fun educational music video for children and parents. The milky way is a barred spiral galaxy about 100000 light years across. The milky way galaxy is our home galaxy in the universe.
The milky way is about 1000000000000000000 km about 100000 light years or about 30 kpc across. Dont forget to sing along. Spiral galaxies make up about two third of the galaxies in the universe.