How Many Stars Are In Space
For example if you observed zero stars in one count and 100 stars in another count the average is 50 stars per count.
How many stars are in space. Multiplying that by the milky way s estimated 100 billion stars results in a large number indeed. Then you will find the average number of stars counted in each observation. Our planetary system is the only one officially called solar system but astronomers have discovered more than 2 500 other stars with planets orbiting them in our galaxy.
Astronomers estimate there are about 100 thousand million stars in the milky way alone. There are approximately 80 billion galaxies in the observable universe a similar number to the number of stars in a galaxy. The typical unit of organization in the universe the galaxy contains anywhere between about 10 million and one trillion stars.
Our solar system is just one specific planetary system a star with planets orbiting around it. A small telescope capable of resolving magnitude 13 stars will let you count up to 15 million stars. Notifications photos and videos from space astronaut profiles and more.
That is because the center of the galaxy has a galactic bulge filled with stars gas and dust as well as a supermassive black hole. It s impossible to know how many stars exist but astronomers estimate that in our milky way galaxy alone there are about 300 billion. 1 000 000 000 000 000 000 000 000 stars or a 1 with 24 zeros after it 1 septillion in the.
The gateway to astronaut photography of earth iss034 e 060718. Photo source image science and analysis laboratory nasa johnson space center. Our milky way galaxy contains between 200 and 400 billion stars depending on the exact number of low mass dim stars which is highly uncertain.
Stars are not scattered randomly through space they are gathered together into vast groups known as galaxies. But how many stars are out there. Many of the milky way s stars however are tough to view.