Artist’s representation of our Milky Way Galaxy surrounded by dozens of stellar streams. These streams were the companion satellite galaxies or globular clusters that are now being torn apart by our Galaxy’s gravity. (Credit: James Josephides and S5 Collaboration.)

Chris Field, Founding Director of Carnegie Global Ecology

The twin FPS units (prior to robot installation). One of these goes to Carnegie's Las Campanas Observatory in the Southern Hemisphere and the other goes to Apache Point Observatory in the Northern hemisphere. Credit: The SDSS collaboration.