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Dec 6, 2023
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Asynchronous Quiz 19
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Written Nov 19, 2023 4:20 PM - Nov 19, 2023 4:28 PM
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Question 1
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Quiz 19: Unit 10. Part 1. Question 1. Watch the Unit 10 Part 1 lecture
Your quiz has been submitted successfully.
video and answer the following question: How does the transit method
determine the time it takes for an exoplanet to orbit its star?
Question 2
1 / 1 point
Quiz 19: Unit 10. Part 1. Question 2. Watch the Unit 10 Part 1 lecture
video and answer the following question: How does the transit method
determine the diameter of an exoplanet?
Question 3
1 / 1 point
Quiz 19: Unit 10. Part 1. Question 3. Watch the Unit 10 Part 1 lecture
video and answer the following question: With the Doppler Effect, what
changes when there is relative motion between the source of a wave and
the observer?
Question 4
1 / 1 point
Quiz 19: Unit 10. Part 1. Question 4. Watch the Unit 10 Part 1 lecture
a. The size of the drop in the star's brightness
b. The time between drops in the star's brightness
c. The duration of time the starlight brightness remains dimmed
a. The size of the drop in the star's brightness
b. The time between drops in the star's brightness
c. The duration of time the starlight brightness remains dimmed
a. The direction of the wave
b. The frequency of the wave
c. The amplitude of the wave
d. The speed of the wave
video and answer the following question: Which of the following quantities
can be obtained by combining information from the radial velocity and
transit methods?
Question 5
1 / 1 point
Quiz 19: Unit 10. Part 2. Question 5. Watch the Unit 10 Part 2 lecture
video and answer the following question: What phenomena does the
gravitational microlensing method take advantage of?
Question 6
1 / 1 point
Quiz 19: Unit 10. Part 2. Question 6. Watch the Unit 10 Part 2 lecture
video and answer the following question: Which types of planets does the
gravitational microlensing method detect better than other methods?
a. The distance an exoplanet is from its star
b. The diameter of an exoplanet
c. The mass of an exoplanet
d. All of the above can be obtained by both the radial and transit
methods.
a. Light has a speed limit.
b. The presence of a mass along its path causes light to bend.
c. Light reflects off of objects
d. The presence of a strong gravity causes light to dim
a. Planets far from their stars
b. Planets close to their stars
c. Planets around very distant stars
d. Planets around very close stars
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Question 7
1 / 1 point
Quiz 19: Unit 10. Part 2. Question 7. Watch the Unit 10 Part 2 lecture
video and answer the following question: Which types of planets does the
direct imaging method detect better than other methods?
Question 8
1 / 1 point
Quiz 19: Unit 10. Part 3. Question 8. Watch the Unit 10 Part 3 lecture
video and answer the following question: What do the colors missing from
the spectrum of starlight that passes through its atmosphere tell us about
that atmosphere?
Question 9
1 / 1 point
Quiz 19: Unit 10. Part 3. Question 9. Watch the Unit 10 Part 3 lecture
video and answer the following question: Looking at the absorption
spectrum of sunlight passing through our atmosphere, which of the
following would aliens not be able to detect?
a. Planets far from their stars
b. Planets close to their stars
c. Planets around very distant stars
d. Planets around very close stars
a. Its temperature
b. Its chemistry
c. The level of radiation it receives
d. Its origin
a. Oxygen
b. Ozone
Question 10
1 / 1 point
Quiz 19: Unit 10. Part 3. Question 10. Watch the Unit 10 Part 3 lecture
video and answer the following question: How is the James Webb Space
Telescope an improvement over the Hubble Space Telescope?
Done
c. Nitrogen
d. Carbon Dioxide
a. The James Webb is 100 times more powerful
b. It can see through dust
c. It can see objects that have redshifted beyond the visible spectrum
d. All the above
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