Flashcards
Solar System formation + planets (9)
Cards in this deck (10)
- 1How old is the Solar System?4.57 Ga
- 2How did the Solar System form?Started with a spinning nebula (cloud of dust and gas)
- 3☼How did the Sun form?☼The center ignites and thermonuclear fusion begins.
H + H = D
D + H = He^-3
He^-3 + He^-3 > He^-4 +2H - 4How did the planets form?Clumps of matter collided and stuck together. Clumps kept growing in size
- 5What are the 4 categories of planets in the Solar System?Terrestrial planets
Gas giants & Ice giants
Dwarf Planets - 6☼What are the characteristics & locations?of terrestrial planets?☼ Examples?Mercury, Venus, Earth, Mars.
-They're relatively large.
-They're hot to warm to cool
-They're near the sun
-Silicate crust and mantle around an iron metal core. - 7☼What are the characteristics & locations of gas giants?☼ Examples?Jupiter, Saturn.
-Large to huge
-Gaseous
-Cold to very cold
-Far away from Sol
- >90% H & He - 8☼What are the characteristics & locations of Ice giants?☼ Examples?Uranus, Neptune.
-Large to huge
-Gaseous
-Cold to very cold
-Far away from Sol
- ~20% H & He
- Dom. by O, C, N, S - 9☼What are the characteristics & locations of Dwarf planets?☼ Examples?Ceres, Pluto, Quaoar, Sedna, Eris, etc.
-Small to very small
-Cold to very cold
-Rocky and icy
-In asteroid belt and far-outer solar system - 10What is the Nice Model of planetary migration?-Many planets used to be in different orbits
-Maybe at 3.8 to 4.1 Ga - major shifts in planet orbits
Information
- Description
- test 2 packet IX
- Created by
- Jake Fredrickson · Mar 2018
- Updated
- Mar 24, 2018
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