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"Our Dynamic Solar System" The Origin Of The Solar System, Laws Governing The Solar System, The Sun, The Planets And The Other Bodies That Are Included.

3331 words - 13 pages

Our solar system is a very complex place. In this paper I will identify the origin of the solar system, laws governing the solar system, the sun, the planets and the other bodies that are included. Our solar system is a collection consisting of the Sun and the bodies orbiting around it. Included in our dynamic system are nine major planets, numerous asteroids, at least 68 satellites, and the cosmic interplanetary medium. The inner solar system consists of the Sun, Mercury, Venus, Earth and Mars. The outer solar system contains Pluto, Neptune, Uranus, Saturn and Jupiter. "The largest part of the mass of our solar system (other than that constituting its central star) and almost all of its angular momentum is stored in four planets- Jupiter, Saturn, Uranus and Neptune." (Kapal, p.6) The planets, most of the satellites of the planets and the asteroids revolve around the Sun in the same direction, in nearly circular orbits. When looking down from above the Sun's north pole, the planets orbit in a counter-clockwise direction. The planets orbit the Sun in or near the same plane, called the ecliptic. The axis of rotation for most of the planets is nearly perpendicular to the ecliptic. The exceptions are Uranus and Pluto, which are tipped on their sides.Five billion years ago a cloud of hot swirling dust and hydrogen gas gave birth to our Sun and planets. As the cloud spun and collapsed inwards it flattened into a central mass with a surrounding disk. Dust and gases in the disk created small condensations each spinning about its own center. Gravitation condensed and heated the central mass. Density increased considerably and nuclear fusion began. Energy was released and our Sun flared into existence. The solar wind of the newly ignited Sun blew away leftover dust and gas in the vicinity of the inner condensations, leaving the rocky inner planets: Mercury, Venus, Earth and Mars. In the outer regions of the disk, the solar wind was weaker. The left over gas and dust reduced into the larger gaseous planets: Jupiter, Saturn, Uranus and Neptune.The Sun and all the planets and their satellites formed through condensation in an interstellar cloud of gas and dust. The Horsehead Nebula in Orion consists of dust-laden material. Deep within the clouds of gas and dust, new stars are forming now, some maybe with planets. As the cloud of gas and dust that formed the solar system began to contract, it must have got rotation somehow, which led to faster rotation as the cloud shrank. This rotation tended to maintain the cloud against contraction in directions perpendicular to the axis of rotation, and thus led to a pancake-like shape for the contracted, rotating cloud.When the cloud that would form the solar system first began to contract, it must have done so as a condensation with some rotation. The rotation was slow at first but grew more rapid as the cloud shrank. The combined result of the contraction and rotation was a spinning, disk-like solar nebula, within which...

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