What are cortograms?

Why must a astronaut were a pressurized suit in space? The moon goes through stages where you can see different amount of it you call these stages? Why do we see fog even in the low land in the early morning? What is the name of the giant stars? Why do you need tides? Why has an outhouse got a moon carved in it? What is the color of scorpius? what- The moon revolves AROUND THE EARTH in an elliptical orbit? Is lava a natural source of light? How in the future will you be able download and store your memories? WHAT TWO MOTIONS COMBINE TO CREATE ORBIT? Are rainbows non luminous? How do you wash dark jeans to prevent fading? Does the sun give us life and control our destinies? What planet has 12 moons? What does the name star mean? How hot is Aldebaran? How long does Mars Mars take to go round the sun? Dr Pedro escuro contribution to science? What items are not allowed on the space shuttle?