Question 1) For terrestrial planets: A) What two factors determine how warm the
ID: 113360 • Letter: Q
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Question 1) For terrestrial planets: A) What two factors determine how warm the surface of the planet is? B) What one factor determines how warm the interior of the planet is? Question 2) Astronomers discover another solar system with its own planets. A) What objects of that solar system could you not get an age for? Why? B) Even if I did get an age for a part of that solar system why might it not tell me the real age of that solar system? Question 3) I'm still in that other solar system. A) I find rings around one of the planets. Explain how they could have formed. B) What kind of materials would I expect those rings to be made of if they were around a terrestrial planet vs. a ovian planet? Why? [Hint: why might the formation of a solar system be helpful to answer part B?]Explanation / Answer
Terrestrial planets are Venus Earth and Mars
The factors that determine the temperature of the planets is the concentration of green house gases and the gravity
On Venus gravity is high and holds all the green house gases which makes it hot
On earth gravity and green house gases are balanced due to the presence of rocks, water and plants
On Mars gravity is low which makes green house gases move away from the surface making it low temperature
B. The size of the planet is a factor
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