Pluto is so far away from Earth that it is a mere pinprick of light in our powerful telescopes. Learn what it would take for humans to journey to the uncharted limits of our solar neighborhood and what NASA scientists think we'll find when we get there. They had lit a fire on the ground and a breeze drove the smoke on the arena, covering the ruins, while gigantic gloomy walls towered above; we stood by the entrance and looked at that prodigy and the moon shined bright and quiet in the sky. Little by little, the smoke spread through walls, doorways and openings.