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Ch.28 Earth and Space Notes
Satellites, Moons, Asteroids, Comets
69
Science
11th Grade
11/18/2013

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Term
How far is the moon from Earth?
Definition
384,400 Km
Term
When was the moon formed?
Definition
4.6 Billion years ago
Term
In the Giant Impact Hypothesis, a collision between the Earth and another body is the theory for the formation of what?
Definition
The Moon
Term
When did Galieo use a telescope to see the Moon's features?
Definition
1409
Term
What happens every 29 days?
Definition
The moon goes through its cycles
Term
What are the moon's temperatures?
Definition

104

-70o 

Term
What is the moon's diameter?
Definition
3480 Km
Term
What is the moon's rotation?
Definition
27 days 7 hours and 43 minutes
Term
What is the moon's revolution around Earth?
Definition
29 1/2 days
Term
What are craters?
Definition
Bowl shaped features left from collisions
Term
How thick is the moon's surface?
Definition
60 Km
Term
What type of rock makes up the moon?
Definition
Igneous Rock
Term
What is the moon's core made up of?
Definition
Iron
Term
The crust of the moon made up of crushed rock is called what?
Definition
Regulus
Term
Does the moon have an atmosphere?
Definition
No
Term
What are rays on the moon?
Definition
Materials that fall back down after being ejected by a collision
Term
What is a Maria?
Definition
A flat dark area on the moon formed by lava filling in a displacement
Term
How much of the moon's crust is made up of regulus?
Definition
1-6 m
Term
What is the moon's mantle made up of?
Definition
Silica, Magnesium and some Iron
Term
The Iron in the moon's core can be described as what?
Definition
Not solid but Not liquid
Term
What kind of orbit does the moon have?
Definition
An elliptical orbit
Term
What does perigee mean?
Definition
When the moon is closest to Earth
Term
What happens when the moon is farthest from Earth?
Definition
Apogee
Term
What is the large shadow portionduring an eclipse?
Definition
Umbra
Term
What is the partial shadow of the moon on Earth?
Definition
Penumbra
Term
Sun gravitation + moon gravitation = High tides = What?
Definition
Neap Tides
Term
How many moon phases are there?
Definition
Eight
Term
What is the order of the moon cycle?
Definition
  1. New Moon
  2. Waxing Crescent
  3. First Quarter
  4. Waxing Gibbous
  5. Full Moon 
  6. Wanning gibous
  7. Last Quarter
  8. Wanning Crescent
Term
What is half way through the moon cycle?
Definition
Last quarter
Term
What happens in a Lunar Eclipse?
Definition
Earth blocks sun light from the moon
Term
What happens in a Solar Eclipse?
Definition
Moon blocks sun from Earth
Term
How many partial eclipses are there each year?
Definition
Seven
Term
What is a rille?
Definition
Crack in the surface
Term
What is a ridge?
Definition
Small deposits in the surface
Term
What is Mare?
Definition
A large dark area of basalt
Term
What planets lack moons?
Definition
Mercury and Venus
Term
How many moons does Mars have?
Definition
Two
Term
Uranus has how many moons?
Definition
Twenty-Four
Term
Neptune has how many moons?
Definition
Eight
Term
What two moons are bigger than Mercury?
Definition

Ganymede

Titan

Term
What is the largest moon?
Definition
Ganymede
Term
What is the fifth largest moon?
Definition
Luna
Term
What are Mars's moon?
Definition

Phobos

Deimos

Term
What are the features of Phobos and Deimos?
Definition

Irregular shaped

Cratered

Dark Line Maria

Term
Somethink Phobos and Deimos might have been what?
Definition
Captured asteroids
Term
What is the name for the class that makes up Jupiter's moons?
Definition
Galilean Moons
Term
List the Galilean Moons?
Definition

Ganymede

Callisto

Io

Europa

Term
Ganymede's iron core's most notable trait is its?
Definition
Strong Magnetic Field
Term
Callisto is _____ cratered and is similar to ______?
Definition

Densely

Ganymede

Term
What moon has a magnetic field and active volcanoes?
Definition
Io
Term
What moon is covered in a thick crust of ice and possibly have oceans?
Definition
Europa
Term
What moon has a thick nitrogen atmosphere?
Definition
Titan
Term
What is the second largest moon in the Solar System?
Definition
Titan
Term
What moon shows evidence of past geologic activity?
Definition
Miranda
Term
What moon has a retrograde orbit?
Definition
Triton
Term
Asteroid belief is located between what celestials?
Definition
Mars and Jupiter
Term
What are Trojan asteroids?
Definition
Asteroids ahead or behind Jupiter
Term
What are Near-Earth Asteroids?
Definition
Asteroids that get close to Earth
Term
What are three asteroid types?
Definition

Silicate

Nickel and iron

Carbon Materials

Term
Describe Carbon Material Asteroids?
Definition
Dark Color
Term
Describe iron and nickel asteroids?
Definition
Shiny and Metallic
Term
The tail of comets point where?
Definition
Away from the sun
Term
Where do comets form?
Definition
Oort Clouds
Term
The comet head is made of ice and rock, what is the tail made of?
Definition
Dust and Gas
Term
What are rocky bodies that fly through space?
Definition
Meteroids
Term
What rocky bodies enter Earth's atmosphere?
Definition
Meteors
Term
What rocky bodies collide with Earth?
Definition
Meteorites
Term
What are the types of Meteorites?
Definition

Stony

Iron

Stony-Iron

Term
How do Iron Meteorites look?
Definition
Metallic
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