Astro 5 Mt Sac UPDATED ACTUAL Exam
Questions and CORRECT Answers
Terrestrial planters distance from Sun - CORRECT ANSWER - Closer to the sun, closer
then 3AU
Terrestrial sizes from smallest to biggest - CORRECT ANSWER - Moon, Mercury, Mars,
Venus, Earth
Do terrestrial planets have moons - CORRECT ANSWER - Little to no moons
Terrestrial planet density - CORRECT ANSWER - Greater then 3 g/cm3
Terrestrial planet composition - CORRECT ANSWER - Solid rocky, metal, with craters
Asteroid Belt distance from Sun - CORRECT ANSWER - 2.8 AU
Asteroid Belt composition - CORRECT ANSWER - rocky, metals, not round
When was the Asteroid Belt made - CORRECT ANSWER - Early Solar System didn't get
to become planets
Jovian planets distance from the Sun - CORRECT ANSWER - Greater then 3AU
Jovian planet density - CORRECT ANSWER - Less then or equal to 1 g/cm3
What are the Galilean satellites - CORRECT ANSWER - The 4 moons found by Galileo
on Jupiter
, What are the 4 moons of Jupiter - CORRECT ANSWER - Ganymede, Calisto, Io, Europa
What are Ganymede and Calisto's composition - CORRECT ANSWER - icy ; low density
What are Io and Europa's composition - CORRECT ANSWER - rocky with metals; high
density
Which planets have greater masses and why - CORRECT ANSWER - Jovian's because of
gas accretion
What is gas accretion - CORRECT ANSWER -
Why do all of the planets lie in nearly the same plane - CORRECT ANSWER - they were
made on the same disc
What is a meteor - CORRECT ANSWER - straight flash of light made from the dust of a
comet
Contrast meteor with meteorite - CORRECT ANSWER - meteor doesn't penetrate
atmosphere, meteorite is bigger
What is a meteorite - CORRECT ANSWER - debris from asteroid collisions
What are the 4 types of material found in the solar system - CORRECT ANSWER -
gasses, ices, metals, rocks
Where did hydrogen gases in our solar system come from - CORRECT ANSWER - The
Big Bang
Questions and CORRECT Answers
Terrestrial planters distance from Sun - CORRECT ANSWER - Closer to the sun, closer
then 3AU
Terrestrial sizes from smallest to biggest - CORRECT ANSWER - Moon, Mercury, Mars,
Venus, Earth
Do terrestrial planets have moons - CORRECT ANSWER - Little to no moons
Terrestrial planet density - CORRECT ANSWER - Greater then 3 g/cm3
Terrestrial planet composition - CORRECT ANSWER - Solid rocky, metal, with craters
Asteroid Belt distance from Sun - CORRECT ANSWER - 2.8 AU
Asteroid Belt composition - CORRECT ANSWER - rocky, metals, not round
When was the Asteroid Belt made - CORRECT ANSWER - Early Solar System didn't get
to become planets
Jovian planets distance from the Sun - CORRECT ANSWER - Greater then 3AU
Jovian planet density - CORRECT ANSWER - Less then or equal to 1 g/cm3
What are the Galilean satellites - CORRECT ANSWER - The 4 moons found by Galileo
on Jupiter
, What are the 4 moons of Jupiter - CORRECT ANSWER - Ganymede, Calisto, Io, Europa
What are Ganymede and Calisto's composition - CORRECT ANSWER - icy ; low density
What are Io and Europa's composition - CORRECT ANSWER - rocky with metals; high
density
Which planets have greater masses and why - CORRECT ANSWER - Jovian's because of
gas accretion
What is gas accretion - CORRECT ANSWER -
Why do all of the planets lie in nearly the same plane - CORRECT ANSWER - they were
made on the same disc
What is a meteor - CORRECT ANSWER - straight flash of light made from the dust of a
comet
Contrast meteor with meteorite - CORRECT ANSWER - meteor doesn't penetrate
atmosphere, meteorite is bigger
What is a meteorite - CORRECT ANSWER - debris from asteroid collisions
What are the 4 types of material found in the solar system - CORRECT ANSWER -
gasses, ices, metals, rocks
Where did hydrogen gases in our solar system come from - CORRECT ANSWER - The
Big Bang
