Astronomy talk at the Dahlonega Science Cafe! This free event is geared towards the general public and will be at 6:30 p.m. on Monday February 13th at Bourbon Street Grill. Join us for food, drinks, and a fascinating exploration of our universe. Talk description: Ordinary matter only accounts for 5% of the Universe, but the vast majority of the information that we get comes from observing the light coming from it. How do we know what we know about the composition of matter in the Universe? What do we not