EAPS 105: Asynchronous Quiz 4

Quiz 4: Unit 2. Part 4. Question 4. Watch the Unit 2 Part 4 lecture video and answer the following question: How does the mass available to build planets change with distance from the Sun? A) It increases B) It decreases C) It stays the same

A) It increases

Quiz 4: Unit 2. Part 4. Question 2. Watch the Unit 2 Part 4 lecture video and answer the following question: Aside from hydrogen and helium, what is the most abundant element in our Sun and therefore in the original Solar Nebula? A) Oxygen B) Carbon C) Nitrogen D) Silicon

A) Oxygen

Quiz 4: Unit 2. Part 5. Question 10. Watch the Unit 2 Part 5 lecture video and answer the following question: Why does the asteroid Ryugu have an equatorial bulge? A) Its elliptical orbit B) Its fast rotation C) From previous collisions D) It used to have a ring (like Saturn) which fell onto its equator

B) Its fast rotation

Quiz 4: Unit 2. Part 4. Question 3. Watch the Unit 2 Part 4 lecture video and answer the following question: Which type of elements/compounds can maintain a solid phase at relatively high temperatures (i.e., near the Sun)? A) Volatiles B) Refractories C) Siderophiles D) Exosolar materials

B) Refractories

Quiz 4: Unit 2. Part 5. Question 8. Watch the Unit 2 Part 5 lecture video and answer the following question: Why are all of Earth's tallest mountains in the 8 km range? A) Coincidence B) That is the limit of rock strength posed by Earth's gravity. C) Erosion from wind and rain prevents them from growing taller. D) Plate tectonic forces are not strong enough to lift these mountains higher

B) That is the limit of rock strength posed by Earth's gravity.

Quiz 4: Unit 2. Part 4. Question 1. Watch the Unit 2 Part 4 lecture video and answer the following question: Which type of light spectrum do you use to determine the composition of a cold gas? A) Continuous spectrum B) Emission spectrum C) Absorption spectrum D) Infrared spectrum

C) Absorption spectrum

Quiz 4: Unit 2. Part 4. Question 5. Watch the Unit 2 Part 4 lecture video and answer the following question: Which of the following is not a reason why the cores of Jupiter and Saturn to grow much more massive than the entire Earth? A) More material to build with because of their larger orbits further from the Sun B) The availability of solid ices farther from the Sun C) The density of the accretionary disc increases with distance from the Sun D) All the above led to the building of larger cores

C) The density of the accretionary disc increases with distance from the Sun

Quiz 4: Unit 2. Part 5. Question 9. Watch the Unit 2 Part 5 lecture video and answer the following question: Which of the following does Mars have because of its relative low gravity? A) The tallest mountain in the Solar System B) The deepest impact basin in the Solar System C) The longest and deepest canyon in the Solar System D) All the above

D) All the above

Quiz 4: Unit 2. Part 4. Question 7. Watch the Unit 2 Part 4 lecture video and answer the following question: If the availability of mass to build planets increases with distance from the Sun because of larger orbits, why did the cores of Uranus and Neptune grow slower than that of Saturn and Jupiter? A) Collisions between objects happen less frequently in the larger volume of the larger orbits, so Uranus and Neptune grew more slowly despite more material being available. B) Despite the larger orbits, there was less material available because the density of the solar nebula dropped off rapidly beyond Saturn. C) Jupiter and Saturn grew slightly faster and then gravitationally captured or ejected material from the orbits of Uranus and Neptune, stunting their growth. D) All the above may have contributed to Uranus and Neptune developing smaller cores.

D) All the above may have contributed to Uranus and Neptune developing smaller cores.

Quiz 4: Unit 2. Part 4. Question 6. Watch the Unit 2 Part 4 lecture video and answer the following question: What happens in the first 3-10 million years after the birth of the Sun that causes the hydrogen and helium gas to disappear? A) It gets absorbed by gas giants B) It condenses to form chondrules C) It condenses to form water molecules D) It gets blown out by the solar wind

D) It gets blown out by the solar wind