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Chapter 10

GEOG 109 Chapter Notes - Chapter 10: Axial Tilt, Jet Stream, Electronic Band Structure

Geography and Environmental Planning
Course Code
GEOG 109

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Blessing Onyewuchi
Chapter10: Worlds of Gas and Liquid
-4 largest planets in the solar system are Jupiter, Saturn, Uranus, and Neptune
-All four are composed of hydrogen, helium, and water
-Giant planets: Jupiter, Saturn, Uranus and Neptune
-Jupiter and Saturn are gas giants
-Uranus and Neptune are ice giants
-Jupiter is the largest of the 8 planets
-Stellar occultation’s: when the planets passes in front of a star
-A planets mass was measured by observing the motions of its moon
- Giant planets are made up primarily of gases and liquids
-Solar abundance: observers who use the relative abundance of the elements in the Sun as a
standard reference
-Giant planets have short days 10-17 hours
-Giant planets are less dense than the terrestrial planets—
-they have rapid rotation
-A planets obliquity- the tilt of its axis to its orbital plane (major prominence when determining
the seasons
-Atmospheres of Uranus and Neptune are rich in methane and methane is a strong absorber of
infrared light…. The atmosphere appears dark because of the strong absorption of reflected
sunlight by methane so the highest clouds and bands stand in stark contrast
-on the giant planets the thermal energy that drives convection comes bother from the sun and
from the hot interiors of the planets themselves
-As the atmosphere ascends near the center of a vortex, it expands and cools
-cooling condenses certain volatile materials into liquid droplets, which then fall as rain
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