What is tronosphere?

Why does the sun look so bright? 0 degrees longitude is called? What is An example of a elliptical galaxy? How many times is there a full moon a year? What is personal body space? What are some of the problems that needed to be overcome in order for NASA to be able to land men on the moon and return them safely? A tool for seeing that has a tube with lenses a stage? Can anyone visit the moon? The state of matter that your sun is made up of is? Why can't man set foot on Mars? How long does it take Earth to complete one full wobble? Why do vicars where different colours? Why did the Aztecs make sacrifices to the sun of god? Who was the first Russian to reach the moon? Is ursa major right next to the big dipper? Name three basic colors that combine to make white light? How many meters above sea level is 1 atmosphere? How does moon shadow's character change througout dragonwings? List the advantages and disadvantages of satellite surveillance and explain why each one is an advantage or disadvantage? Where is a solar flare located on the sun?