What are sun and ghost the names?

What planet is covered by clouds of sulphuric acid? Why is 6 of the suns energy scattered or reflected into space? What instrument measure water vapour? What country was first to get something in space? Does a real ruby have a blue glow to it in the sun light? What makes Titan an interesting moon? What is names of the robots and satellites on mercury? What does direct sunlight mean? How much will you weight on the moon if you weight 96 pounds on earth? What materials were used to make the hubble space telescope? How does Venus retrograde rotation affect astrological interpretations and predictions? How did the doubting of Greek authorities help scientific revolution? Can you see the rainbow if you are facing the sun? What is convexo-concave lens? How did Zeus receive his powers? How do you know so much about the surface of Mars when no man has ever set foot on the planet? What is the dust and gas located between stars in a galaxy called? Where is the sun located on a diagram on Earths orbit? Are their any liquids on the planet Venus? Which planet has thick yellow clouds?