Come on, astronomers, other scientists, it’s your big chance ! Explain why a small (1 m) asteroid is not a meteor. Why it’s not a danger, exploding over a populated area (northern France). But another small asteroid devastated #Tunguska. How much bigger was it? Or #Chelyabinsk ? Don’t leave this to YouTube videos, tell us the whole story! We want to know. #Asteroid #AirBurst Educate us.