This bubble is called the heliosphere and its boundary serves as the boundary of our solar system. So if we ever wish to leave our solar system and travel to other stars, we first need to find a ...
But that's not all it does, and it affects a much larger area of space. The heliosphere, the area of space influenced by the sun, is over a hundred times ...
Getting too close to the sun is definitely not a good idea. Its immense heat and radiation can be very dangerous, which is why it is good that we are a distance away from it that we are.