Is dark energy really accelerating the universe? Join Andrew Fraknoi and three Berkeley Lab cosmologists as they delve into nature’s greatest mystery. Greg Aldering explores type 1 supernovae. Shirley Ho measures the cosmos through baryon oscillation and Eric Linder asks out of the box questions about the cosmos; could it be something even stranger than dark energy driving the universe? Series: "Lawrence Berkeley National Laboratory " [Science] [Show ID: 21566]