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Author Question: Due to the cycle of precession, in 12,000 years, which star will replace Polaris as the guiding ... (Read 55 times)

ashley

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on: Jul 27, 2018
Due to the cycle of precession, in 12,000 years, which star will replace Polaris as the guiding North Star?
 
  a. Betelgeuse
  b. Sirius
 c. Vega
 d. Rigel
 e. Spica

Question 2

What is the cause for the slow movement of reference marks, such as the celestial poles and equator, to move across the sky?
 
  a. precession
 b. evolution
 c. climate change
 d. continental drift
 e. angular revolution


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frejo

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Reply #1 on: Jul 27, 2018
Answer to Question 1

c

Answer to Question 2

a


ashley

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Reply #2 on: Jul 27, 2018
TY


frejo

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Reply #3 on: Jul 27, 2018
You're welcome


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