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Exam #4 Galip
6/12/11
45
Astronomy
Undergraduate 1
06/12/2011

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Cards

Term
Name the superior planents.
Definition
Mars, jupier, saturn, neptune
Term
Which planet has the largest diameter?
Definition
Jupiter
Term
What located between mars and jupiter?
Definition
Asteroid belt
Term
Distance from Jupiter to the Sun.
Definition
5.2 AU
Term
99% of jupiters atmosphere is made of what?
Definition
hydrogen and helium
Term
The mass of Jupiter is 2/3 that of _________in solar system
Definition
all mass
Term
What are the dark redish bands on jupiter called?
Definition
belts
Term
What are the bright light color horizontal bands called on jupiter?
Definition
zones
Term
Whats the most visible cloud structure on jupiter?
Definition
great red spot
Term
How many satellites does jupiter have?
Definition
63
Term
Who discovered jupiters 4 largest satellites in 1610?
Definition
Galileu
Term
What is the buldge caused by rapid rotation called on jupiter?
Definition
Oblate
Term
before voyager, jupiter was not expected to have what?
Definition
rings
Term
What seasons does jupiter have?
Definition
None
Term
What causes jupiters magnetic field?
Definition
large interior region of liquid metalic hydrogen
Term
Which planets have rinds?
Definition
all outer planets (jupiter, saturn, uranus
Term
distance from saturn to sun
Definition
9.53 AU
Term
What is Saturn's density
Definition
0.7 g/cm^3
Term
Main gas on saturn?
Definition
hydrogen
Term
What is the Roche Limit?
Definition
sphere which tidal forces are greater then gravitational forces and break objects if they get too close.
Term
Where would the rings on a planet likely be found?
Definition
inside the roche limit
Term
Gap between saturns ring called?
Definition
Cassien division
Term
What are saturns rings made up of?
Definition
Moonlets
Term
What is saturns largest satellite?
Definition
Triton
Term
Organic chemistry similar to that of how life evolves found on which satellite?
Definition
titan
Term
What percent of saturn radiates energy?
Definition
2.5 %
Term
What planet didnt the ancients know about?
Definition
Uranus
Term
Distance from Uranus to the Sun
Definition
19.22 AU
Term
Uranus rotates around sun in how many earth years?
Definition
84
Term
Why is Uranus unique?
Definition
because the axis of rotation is 8 degrees below the planets orbit
Term
Compared to jupiter and saturn, uranus has.....
Definition
heavier elements
Term
Why doesnt uranus have any features?
Definition
no internal heat source
Term
What is the number of known rings around Uranus?
Definition
11
Term
Compared with outer giant planets, uranus is unique because of...
Definition
its cloud structure.
Term
Which planets have same size mass density and chemical composition?
Definition
Uranus and Neptune
Term
Distance from neptune to the sun
Definition
39.44 AU
Term
Which planets is Neptunes density higher than?
Definition
jupiter uranus saturn
Term
What color does neptune appear through a telescope?
Definition
blue (methane)
Term
Neptunes largest moon.
Definition
Triton
Term
present time furthest planet from sun?
Definition
neptune
Term
Largest satellite of pluto?
Definition
Charon
Term
What is plutos axis of rotation?
Definition
122 degrees
Term
What is the core temperature of the sun?
Definition
15.5 million K
Term
What % of suns mass is hydrogen?
Definition
73
Term
how long does it take suns light to reach earth?
Definition

8min 31sec

498.66 sec

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