Find and insert picture of the sun with different zones
Ed.205.Interactive Multimedia Powerpoint2
A Journey Around the Sun
•Parent star of our solar
•Composed mainly of
hydrogen and helium
•Magnetic field reverses every
•More than 300,000 times
massive than the Earth!
•Luminosity—total amount of
NRG radiated from surface per
•Sunspots—cooler regions of
• 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
•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.
•Outermost region of the solar
•Around 900 Kuiper Belt
objects are known.
•Origin of most short-period
•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.
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