NATS 1740 Chapter Notes - Chapter 8: Giant Planet, Galilean Moons, Metallic Hydrogen

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Published on 13 Apr 2013
School
York University
Department
Natural Science
Course
NATS 1740
Professor
Chapter 8 Jovian planet systems
8.1 A different kind of planet
What are jovian planets made of?
General compositions of jovian planets
- The jovian planets are made mostly of hydrogen, helium and hydrogen compounds
Jupiter and Saturn less hydrogen compounds and less rock and metal
Neptune and Uranus contain less hydrogen and helium
Gas capture in the solar nebula
- The jovian planets nearer to the sun captured more hydrogen and helium gas making
them larger and leaving them with smaller proportions of hydrogen compounds, rock and
metal (Jupiter and Saturn)
What are jovian planets like on the inside?
Inside Jupiter
- If you plunged below jupiters clouds, you would never encounter a solid surface
Layers
1.) Visible clouds
2.) Gaseous hydrogen
3.) Liquid hydrogen
4.) Metallic hydrogen
What is the weather like on jovian planets?
- All the jovian plants have cloudy skies but clouds of different kinds form at different
altitudes in each planets atmosphere
Global winds and storms
- The rapid rotation of jovian planets helps drive strong winds creating their banded
appearances and sometimes giving rise to huge storms
Jupiter’s red spot is a gigantic storm
8.2 A wealth of worlds: Satellites of Ice and Rock
What kind of moons orbit the jovian planets?
- 160 moons orbiting the planets
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Document Summary

The jovian planets are made mostly of hydrogen, helium and hydrogen compounds. Jupiter and saturn less hydrogen compounds and less rock and metal. Neptune and uranus contain less hydrogen and helium. The jovian planets nearer to the sun captured more hydrogen and helium gas making them larger and leaving them with smaller proportions of hydrogen compounds, rock and metal (jupiter and saturn) If you plunged below jupiters clouds, you would never encounter a solid surface. All the jovian plants have cloudy skies but clouds of different kinds form at different altitudes in each planets atmosphere. The rapid rotation of jovian planets helps drive strong winds creating their banded appearances and sometimes giving rise to huge storms. Jupiter"s red spot is a gigantic storm. 8. 2 a wealth of worlds: satellites of ice and rock. A few jovian moons rival the smallest planets in size and geological interest while vast numbers of smaller moons are captured asteroids and comets.

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