What is magnetisphere?

Is the moon soft or hard? What is the major difference between highlands on the moon and the mountains on earth? Why its raining? I dont remember my last period how do I know if I'm late this month? What makes a rocket aerodynamic? Is mercury inner or outer of the solar system? What is space junk and why is it dangerous? What is a overlap perspective? How is an astronomical unit defined? What is proximate end? What The sun surface has a grainy texture produced by? Thin hair like clouds is called? What happpens when a space shuttle re enters the atmosphere? How is the moon an example of the inertia? Who was the first spacewalk took place during which mission? Did a comet really crash into Jupiter? A sentence using the word Cosmography? What causes the end of an era? What day of the week is named after Uranus? Is a full moon when you see the whole moon?