Ed.205.Interactive Multimedia Powerpoint2
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Ed.205.Interactive Multimedia Powerpoint2

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Ed.205.Interactive Multimedia Powerpoint2 Ed.205.Interactive Multimedia Powerpoint2 Presentation Transcript

  • A Journey Around the Sun
  • SUN •Parent star of our solar system •Composed mainly of hydrogen and helium •Magnetic field reverses every 11 years •More than 300,000 times massive than the Earth! •Luminosity—total amount of NRG radiated from surface per second •Sunspots—cooler regions of the photosphere
  • • Condensation Theory: Terrestrial planets form in two stages, jovian planets in three. • 1.)Dust grains condense and accumulate. • 2.) Gravitational forces make condensed dust collide and merge, forming larger planets. • 3.) Strong gravitational fields pull in large amounts gas.
  • •The terrestrial planets consist of Mercury, Venus, Earth, and Mars. •Small in radius, not very massive •Have few, if any, moons •All are high in density and have a solid, predominantly rocky surface. •None of the planets display rings, and all have a weaker magnetic field. •The terrestrial planets are separated from the jovian planets by the asteroid belt. •Click for information about each planet!
  • •Larger radius and larger masses, but lower in density. •Many moons and many rings •These planets have gaseous surfaces and a faster rotation speed. •Their orbits are much more widely spaced than the terrestrial planets. •The magnetic fields are very strong.
  • KUIPER BELT •Outermost region of the solar system •Around 900 Kuiper Belt objects are known. •Origin of most short-period comets. •Most objects move in circular pattern in an ecliptic plane. •Beyond Kuiper Belt is the Oort Cloud, which surrounds the solar system in all directions instead of just a plane.