Chapter 15 Solar System Flashcards Preview

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Flashcards in Chapter 15 Solar System Deck (11):
1

Defines planets, dwarf planets, and small solar system bodies

International Astronomical Union (IAU)

2

Mercury, Venus, earth, and mars
Mostly rocky materials, metallic nickel, and iron

Terrestrial Planets

3

Jupiter, Saturn, Uranus, and Neptune
Mostly hydrogen, helium, and methane

Giant planets

4

No atmosphere
0.4 AU
Orbital period 3 months
Rotational period 59 days

Mercury

5

CO2 atmosphere
High temperature
0.7 AU
Exhibits phases

Venus

6

Thin atmosphere CO2 mostly
1.5 AU
Inactive volcanoes
Canyons
Numerous spar probes

Mars

7

5 AU
318 x’s earth’s mass
Mostly H and He
Great Red Spot

Jupiter

8

9.5 AU from sun
Rings of particles and more than 60 orbiting moons
Titan moon

Saturn

9

19 AU
Outermost planets
Similar structures

Uranus

10

30 AU
Outermost planet
Similar internal structures

Neptune

11

Origin of long period comets
30 AU to light year away

Oort Cloud