Our Milky WayOur home galaxy is normal sized for a barred spiral galaxy. The bar has a diameter of about 27 000 light-years. From its ends two large spiral arms arise. In its center is the black hole Sagittarius A*.Age: 12 billion years Number of Stars: 100 - 200 billion Diameter: 100 000 light-years Type: SBb or SBc Back: List of the Galaxies |
![]() Graphic: R. Hurt (SSC), JPL-Caltech, NASA |
Astronomical articles released under Creative Commons: Imprint & Privacy This site in German: Sterne und Planeten Astronomy: Stars & Planets | © Jumk.de Webprojects Images of Chemical Elements |