3.2.7 Galaxy Zoo
Galaxies are categorised according to shape; our Galaxy, the Milky Way, is thought to be a barred spiral galaxy. Get involved with classifying galaxies for yourself.
Galaxy Zoo provides photos of other galaxies and categories to help scientists to classify the galaxies they discover.
Visit Galaxy Zoo [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] and classify three or more galaxies.
Did the galaxies you classified fit the suggested categories? Did they pose any specific challenges?
In the next section you’ll hear about what scientists think holds galaxies together.