What is magnetisphere?

How long did it take to make the hot air balloon? How long will it take the light from a flashlight to travel around the Earth once? Who was the second man to walk on the surface of the moon? What is the sun's function in the solar system? What inner planet(s) have a rocky surface? What zodiac signs correspond to the month of September"? How long did the Apollo 11 mission take? How did compass aid in exploration? Sun spots increase and decrease on a cycle of how many years? Two types of solar radiation that are not harmful to human beings? Where is the constellation located in the sky? What is the fundamental difference between light matter and dark matter in the universe? Can you see other planets with a telescope? Why does evaporated water go into the clouds? What is the nearest star to the earth next to the sun? What are the qualifications for being an astronaut? Is the sun part of nature? Which two of the suns layers are often reversed in larger stars? What does sommeil mean? What type of spectrum do we see from the sun?