gaia mission, milky way, milky way galaxy, new discoveries, presession, stars

Does the Milky Way Move Like a Spinning Top?

The Milky Way is a spiral galaxy, which means that it is composed, among other components, of a disc of stars, gas, and dust in which the spiral arms are contained. At first, it was thought that the disc was completely flat, but for some decades now it has been known that the outermost part ...

Troy Oakes

The Milky Way above a road heading into the horizon.