Multiple Choice
Where does Titan's thick,nitrogen-rich atmosphere come from?
A) Photodissociation of methane in its atmosphere
B) Frequent volcanic eruptions
C) It has been deposited by cometary impacts over the age of the Solar System
D) Photosynthesis of algae in oceans that lie beneath its icy surface
Correct Answer:

Verified
Correct Answer:
Verified
Q7: Jupiter's rings are made of material from<br>A)
Q9: Phobos and Deimos,the two moons of Mars,are
Q11: Why would a planet's rings reflect 50
Q14: If a moon has a retrograde orbit
Q17: To be effective, backlighting should be done
Q17: Titan's thick atmosphere is believed to have
Q34: In terms of the surfaces of moons,
Q52: The oceans under Europa's icy crust could
Q86: Looking at the life forms found to
Q93: Ganymede is one of the largest moons