![The Shape of the Milky Way from Starcounts | Astronomy 801: Planets, Stars, Galaxies, and the Universe The Shape of the Milky Way from Starcounts | Astronomy 801: Planets, Stars, Galaxies, and the Universe](https://www.e-education.psu.edu/astro801/sites/www.e-education.psu.edu.astro801/files/image/kapteynuniverse.jpg)
The Shape of the Milky Way from Starcounts | Astronomy 801: Planets, Stars, Galaxies, and the Universe
![This NASA/ESA Hubble Space Telescope image shows a spiral galaxy known as NGC 7331. First spotted by the prolific galaxy hunter William Herschel in 1784, NGC 7331 is located about 45 million This NASA/ESA Hubble Space Telescope image shows a spiral galaxy known as NGC 7331. First spotted by the prolific galaxy hunter William Herschel in 1784, NGC 7331 is located about 45 million](https://c8.alamy.com/comp/2CAK8GM/this-nasaesa-hubble-space-telescope-image-shows-a-spiral-galaxy-known-as-ngc-7331-first-spotted-by-the-prolific-galaxy-hunter-william-herschel-in-1784-ngc-7331-is-located-about-45-million-light-years-away-in-the-constellation-of-pegasus-the-winged-horse-facing-us-partially-edge-on-the-galaxy-showcases-its-beautiful-arms-which-swirl-like-a-whirlpool-around-its-bright-central-region-astronomers-took-this-image-using-hubbles-wide-field-camera-3-wfc3-as-they-were-observing-an-extraordinary-exploding-star-a-supernova-which-can-still-be-faintly-seen-as-a-tiny-red-dot-near-the-galaxy-2CAK8GM.jpg)
This NASA/ESA Hubble Space Telescope image shows a spiral galaxy known as NGC 7331. First spotted by the prolific galaxy hunter William Herschel in 1784, NGC 7331 is located about 45 million
![Chapter 16 The Milky Way Galaxy Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. - ppt download Chapter 16 The Milky Way Galaxy Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. - ppt download](https://images.slideplayer.com/26/8398960/slides/slide_4.jpg)