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Encyclopedia :: encyclopedia : Solar system (Site not responding. Last check: 2007-11-02) |
 | | In broad terms, the charted regions of our solar system consist of the Sun, eight bodies in relatively unique orbits (commonly called planets or major planets) and two belts of smaller objects (which can be called minor planets, planetoids, meteoroids, planetesimals or, in the case of Pluto, planets). |
 | | In the outer regions of this solar nebula, ice and volatile gases were able to survive, and as a result, the inner planets are rocky and the outer planets were massive enough to attract large amounts of lighter gases, such as hydrogen and helium. |
 | | The edge of this bubble is known as the termination shock; the point at which the solar wind collides with the opposing winds of the interstellar medium. |
| www.hallencyclopedia.com /Solar_system (4424 words) |
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