I was out with my dog (who was sick...) early in the morning. When she finished her business I was looking at a truck moving down the road and there was a large flash high above me. It lasted long enough for me to look up, focus on it and observe it move across the sky. (Crystal clear night) It was incredibly bright. Blue and white moving incredibly fast. It didn't break up like I've seen them in the past. This was definitely the biggest and brightest fireball I've ever seen. Lasted maybe 2 seconds.