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Solar System - Papers Online

Solar System

The solar system consists of the Sun; the nine planets, 67 satellites of the planets and a large number of small bodies (comets and asteroids).

The inner solar system contains the Sun, Mercury, Venus, Earth and Mars:

The planets of the outer solar system are Jupiter, Saturn, Uranus, Neptune and Pluto: The orbits of the planets are ellipses with the Sun at one focus, though all except Mercury and Pluto are very nearly circular. The orbits of the planets are all more or less in the same plane (called the ecliptic and defined by the plane of the Earth's orbit). The ecliptic is inclined only 7 degrees from the plane of the Sun's equator. Pluto's orbit deviates the most from the plane of ...

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199 300 18 -180c 1.2 26.7 10h 39m

Uranus 51 800 15 -210c 1.2 98 17h 10m

Neptune 49 500 8 -220c 1.2 29.5 18h 24m

Pluto 2 320 1 N/A 0.04 50 178 years

The Moon 3 474 - 107c / -153c 0.17 1.5 27 days

The Sun

The sun is the most important part of our solar system. It is the biggest object and does have about 98% of the whole mass of the solar system. About 1,3 billion earths would fit inside the sun.

The sun travels around the galaxy together with planets and other objects bound to it by gravitational forces. The largest of the bodies we call planets, most of which are in turn are orbited by smaller moons or satellites. These objects, together with many lesser masses, are known as the Solar system.

The Sun is just a star, one of a hundred billion inhabiting our galaxy alone. Being a star the Sun is an example of the fundamental building blocks of our universe. It formed, 4.5 billion years ago, as the nucleus of a cloud of gas which was collapsing under ...

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PAPER DETAILS

Added: 5/24/2011 05:42:28 PM
Submitted By: kakacheung
Category: Astronomy
Type: Premium Paper
Words: 1081
Pages: 4

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