142K views · 3.9K reactions | Venture beyond the familiar planets, on a journey through our solar system's mysterious depths, across 12 trillion miles of space, to the very edge of the solar system. And discover how this vast, dark, cold world has a direct and sometimes deadly effect on our lives here on Earth. #ScienceChannel #HowTheUniverseWorks | Science Channel | Facebook

5.4K views · 286 reactions | Where does the solar system end? It all depends on the criteria you are using. Based on where the planets end, you could say it's Neptune and the Kuiper Belt. If you measure by edge of the sun's magnetic fields, the end is the heliosphere. If you judge by the stopping point of sun's gravitational influence, the solar system would end at the Oort Cloud. | Cosmos - the Science of Everything | Facebook