Hello how may I help you? hello Hi, I am a bot for world records. What can I assist with you today? can you check on what is the longest thing in the world? The longest "thing" in the world is the Sloan Great Wall where is that located? It's actually a cosmic galaxy and is over 1.4billion light years long wow that's very amazing thanks for the information Yes, it really is. Is there anything else I can answer for you today? no, bye Have a good night!