What is magnetisphere?

Is Orion the constellation used for navigation? Did anyone go to the sun? How long does it take the moon to make 1 complete rotation on its axis? What is high altidude winds csused by tempertaurs differences between air masses? What is bauxite's specific gravity? Why are galaxies flat in shape? What can robonaut do? What type of relationship does increased distance and decreased gravity? Why do some lights and torches have a shiny back? How do you unlock world abyss on explorers of darkness? Why does plasma make up about 99 percent of the universe? Who were the other astronauts on the mission with Neil Armstrong? What channel is the ball drop on? What was the Apollo 11 shuttle called? Is Venus small? How many times did john glenn travel outer space? Is stratosphere bigger than Megatron? What is a real example of a red giant star? What planet is Venus next to? What are things that space exploration taught us?