where is our solar system located in the milky way galaxy
Milky Way The Milky Way is a barred spiral galaxy with a diameter between 150,000 and 200,000 light-years (ly).[24][25][26] It is estimated to contain 100–400 billion stars.[27][28] There are probably at least 100 billion planets in the Milky Way.[29][30] The Solar System is located within the disk, 26,490 (± 100) light-years from the Galactic Center, on the inner edge of the Orion Arm, one of the spiral-shaped concentrations of gas and dust. The stars in the innermost 10,000 light-years form a bulge and one or more bars that radiate from the bulge. The galactic center is an intense radio source known as Sagittarius A*, likely a supermassive black hole of 4.100 (± 0.034) million solar masses.
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Milky Way Although the disk contains dust that obscures the view in some wavelengths, the halo component does not. Active star formation takes place in the disk (especially in the spiral arms, which represent areas of high density), but does not take place in the halo, as there is little gas cool enough to collapse into stars.[18] Open clusters are also located primarily in the disk.[133]
Supermassive black hole Astronomers are very confident that the Milky Way galaxy has a supermassive black hole at its center, 26,000 light-years from the Solar System, in a region called Sagittarius A*[19] because: