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Quiz 1 of 0

4. Theory Review: Astronomy

July 25, 2023

Now that you have finished the lessons in the Astronomy module, it is time to test your knowledge with a theory review.

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Question 1 of 13

1. Question
Q1: Which of the below is the correct method when drawing the Southern Cross?
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Question 2 of 13

2. Question
Q2: Name the brightest star in the constellation of Scorpio.
- Graffias
- Jabbah
- Antares
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Question 3 of 13

3. Question
Q3: Briefly explain the difference in size and apparent change of the moon as it rises.
- The colour changes because the heat from the sun reduces the glare and the size difference is due to an optical illusion
- The colour changes due to more atmosphere and dust that refracts the light and the apparent change in size is a optical illusion
- The moons colour and size changes due to the rotation of the earth
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Question 4 of 13

4. Question
Q4: What is the largest meteorite impact sight in the world?
- Lonar Crater
- Tswaing Crater
- Vredefort Dome
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Question 5 of 13

5. Question
Q5: Name the brightest star as seen from earth, aside from the sun.
- Betalgeuse
- Sirius
- Rigel
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Question 6 of 13

6. Question
Q6: Which of the below is a neap tide?
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Question 7 of 13

7. Question
Q7: Why do planets not “twinkle” like stars do?
- Planets do not generate light themselves, but reflect the light from the Sun
- In the Southern Hemisphere we are able to see five planets with the naked eye
- Planets generate the same light as stars
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Question 8 of 13

8. Question
What does the atmosphere consist of mostly?
- Carbon dioxide and nitrogen
- Hydrogen and helium
- Nitrogen and oxygen
- Oxygen and carbon monoxide
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Question 9 of 13

9. Question
What does the Sun consist of?
- Hydrogen and helium
- Oxygen and carbon dioxide
- Nitrogen and oxygen
- Argon and Neon
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Question 10 of 13

10. Question
What are the 3 main stars of Scorpio?
- Aldebaran, Betelgeuse, Rigel
- Sirius, Procyon, Polaris
- Jabha, Graffias, Omega One
- Vega, Deneb, Altair
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Question 11 of 13

11. Question
What is the Vredefort Dome?
- A dormant volcano in South Africa
- A mountain range in Australia
- The largest visible meteorite impact site
- A famous observatory in the United States
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Question 12 of 13

12. Question
How long does it take for light to reach Earth from the Moon?
- 1.3 seconds
- 8 minutes and 20 seconds
- 2.5 seconds
- 12 hours
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Question 13 of 13

13. Question
What is a neap tide?
- When the Earth, Sun, and Moon are at 90 degrees to one another
- A tide caused by strong winds
- A tide with unusually high water levels
- A tide caused by volcanic activity
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