Unlocking Secrets of the Milky Way --Gaia's One-Billion Star Map Redefining Astronomy: "No One Knows What We'll Find"

"No one in the world knows what we'll find," says cosmologist David Hogg of New York University. "The observations collected by Gaia are redefining the foundations of astronomy," adds Günther Hasinger, ESA Director of Science. "It's like waiting for Christmas,"...