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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.
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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.
Oct 4, 2014 · The last part of that definition appears to be a viable definition of the edge of the solar system. Specifically, valid boundary region for the "edge" of the solar system is the heliopause. This is the region of space where the sun's solar wind meets that of other stars.
According to NASA, its inner edge is located between 2,000 and 5,000 AU from the Sun (1 AU being about 150 million kilometres), while its outer edge is possibly between 10,000 and 100,000 AU, nearly half the distance between the Sun and the closest star to our own, Proxima Centauri.
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.
May 3, 2024 · This region where it stalls out, poetically called the heliopause, marks the exterior boundary of the heliosphere, the volume of space dominated by the sun’s solar wind. Within the heliopause...
The part of the Sun we see from Earth – the part we call the surface – is the photosphere. The Sun doesn’t actually have a solid surface because it’s a ball of plasma. Above the Sun’s surface are its thin chromosphere and the huge corona (crown). This is where we see features such as solar prominences, flares, and coronal mass ejections.
