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      • 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.
      www.livescience.com/space/astronomy/where-does-the-solar-system-end

      Where does the solar system end? - Live Science

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  4. astronomy.stackexchange.com › questions › 6519the sun - Where does the Solar System end? - Astronomy Stack ...

    Oct 4, 2014 · The Sun is roughly 4 light-years away from the closest star system, the Alpha Centauri system. The planets in our Solar System, however, aren't even close to that far away from the Sun. Where does our Solar System end? Is the edge considered to be the orbit of Neptune, the Kuiper Belt, the Oort Cloud, or something else?

  5. science.nasa.gov › resource › where-is-the-edge-ofWhere is the Edge of the Solar System? - NASA Science

    Sep 5, 2017 · 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.

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  7. spaceplace.nasa.gov › oort-cloud › enWhere Does the Solar System End? - NASA Space Place

    Aug 29, 2022 · Where does the solar system end? The solar system we call home has our sun, eight planets, all their moons, the asteroid belt, and lots of comets. Outside Neptune's orbit is the Kuiper Belt.

  8. www.scientificamerican.com › article › where-doesWhere Does the Solar System End? - Scientific American

    May 3, 2024 · 5 min read. Where Is the Edge of the Solar System? The solar system’s outer limits aren’t as clear-cut as you might think. By Phil Plait. An illustration of the solar system (not to scale),...

  9. www.sciencealert.com › scientists-figured-out-howScientists Figured Out How And When Our Sun Will Die, And It ...

    Sep 5, 2021 · The Sun is about 4.6 billion years old – gauged on the age of other objects in the Solar System that formed around the same time. Based on observations of other stars, astronomers predict it will reach the end of its life in about another 10 billion years.

  10. science.nasa.gov › sun › factsOur Sun: Facts - Science@NASA

    From our vantage point on Earth, the Sun may appear like an unchanging source of light and heat in the sky. But the Sun is a dynamic star, constantly changing and sending energy out into space. The science of studying the Sun and its influence throughout the solar system is called heliophysics.

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