What is stdddd?

Why is the moon a sphere? 'I love you to the moon and back' meaning? What does a line of stars signify in a text or document? What are the numerous small bright markings on the sun's photosphere called? A ring eclipse is? Why is the constellation Leo visible in the east on a January evening but in the west on a July evening? Will we ever live on Mars? What are the arguments against space exploration? Who discovered Jupiter first? Is it possible for an observation to be accurate but not precise? At what event did Jesus face shine like the sun and His clothes becomes as white as the light? Did tv stations air their brodcasts from space? How effective is science at detecting tornadoes? How did president Eisenhower respond to the launching of Sputnik l? How many light years away is the closest planet to earth? What is the temperature on the star Antares? How might an increase in heat from the sun affect the hydrosphere and the hydrolic cycle? What safety features in making small rockets? The amount of nitrogen in the atmosphere is affected by? Where did Saturn's rings come from?