One of the Milky Way's arms might encircle the entire galaxy
Wednesday, January 14, 2015 - 10:00
in Astronomy & Space
Given that our Solar System sits inside the Milky Way Galaxy, getting a clear picture of what it looks like as a whole can be quite tricky. In fact, it was not until 1852 that astronomer Stephen Alexander first postulated that the galaxy was spiral in shape. And since that time, numerous discoveries have come along that have altered how we picture it.