The solar system is an enormous place. Our cosmic neighborhood includes eight planets, around half a dozen dwarf planets, several hundred moons and millions of asteroids and comets, all spinning around the sun — and in many cases each other —at speeds of thousands of miles per hour, like a giant top.
But where does it end? Well, the answer may depend on whom you ask and how they define the solar system.
There are not one, but three potential boundaries to the solar system, according to NASA: the Kuiper Belt, the ring of rocky bodies beyond the orbit of Neptune; the heliopause, the edge of the sun’s magnetic field; and the Oort Cloud, a distant reservoir of comets that are barely visible from Earth.
“Writer Fuel” is a series of cool real-world stories that might inspire your little writer heart. Check out our Writer Fuel page on the LimFic blog for more inspiration.